{"results":"<div class='relative search-result-item thumbnail-card no-access' data-id='1057630' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-interactive\"><i class=\"fa-solid fa-hand resource-icon\"></i><span class=\"ml-5 relative z-10\">Interactive</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Doppler Shift Interactive Interactive\" href=\"/teachers/doppler-shift-interactive\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Doppler Shift Interactive Interactive\" title=\"Doppler Shift Interactive Interactive\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/335500/large/u2nyzwvux1nob3rfmjaxny0wns0xmv9hdf8xmc40oc40mf9bts5wbmc.png?1494524940\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>McGraw Hill</span>\n</div>\n<h4 class='resource-title' title='Doppler Shift Interactive'>\n<a class=\"trk-show-resource\" title=\"Doppler Shift Interactive Interactive\" href=\"/teachers/doppler-shift-interactive\">Doppler Shift Interactive\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - Higher Ed</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nEver wonder why a siren sounds different when it's coming toward you than when it's going away from you? It all depends on the motion of the sound waves! The interactive activity demonstrates how the Doppler effect impacts the motion of...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Doppler Shift Interactive Interactive\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1057630\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Doppler Shift Interactive Interactive\" href=\"/teachers/doppler-shift-interactive\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='373612' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"20th-Century Astronomy Lesson plan\" href=\"/teachers/20th-century-astronomy\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"20th-Century Astronomy Lesson Plan\" title=\"20th-Century Astronomy Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/133659/large/mzcznjeylmpwzw.jpg?1414233479\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='20th-Century Astronomy'>\n<a class=\"trk-show-resource\" title=\"20th-Century Astronomy Lesson plan\" href=\"/teachers/20th-century-astronomy\">20th-Century Astronomy\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nPupils examine and explain how the distance to nearby stars can be measured by the parallax method, discuss the role of women in the history of American astronomy, form their own opinions of the importance of Harlow Shapley and Edwin...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to 20th-Century Astronomy Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=373612\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"20th-Century Astronomy Lesson plan\" href=\"/teachers/20th-century-astronomy\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='955838' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-custom\"><i class=\"fa-solid fa-file resource-icon\"></i><span class=\"ml-5 relative z-10\">PPT</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Spectral Lines Ppt\" href=\"/teachers/spectral-lines\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Spectral Lines PPT\" title=\"Spectral Lines PPT\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-ppt.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/300783/large/cgrmlwnvbnzlcnqymde0mdiwns01ntu3lxkzcwhxmi5qcgc.jpg?1391632585\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Spectral Lines'>\n<a class=\"trk-show-resource\" title=\"Spectral Lines Ppt\" href=\"/teachers/spectral-lines\">Spectral Lines\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>7th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nSlides and slides of emission spectra bring this topic to light for your physics class! Exited electrons returning to lower energy levels is offered as the cause of emission spectra. In summary, viewers learn that we can determine the...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Spectral Lines Ppt\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=955838\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Spectral Lines Ppt\" href=\"/teachers/spectral-lines\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='859389' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-instructional-video\"><i class=\"fa-solid fa-circle-play resource-icon\"></i><span class=\"ml-5 relative z-10\">Instructional Video</span><span class=\"ml10 z-10 video-duration\">0:05</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Can You Hear the Change in Pitch? Instructional video\" href=\"/teachers/can-you-hear-the-change-in-pitch\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Can You Hear the Change in Pitch? Instructional Video\" title=\"Can You Hear the Change in Pitch? Instructional Video\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/276606/large/bwluav9tywdpy2symde1mduwnc02mde3ltfpbdfvngmuanbn.jpg?1430731064\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>New York Science Teacher</span>\n</div>\n<h4 class='resource-title' title='Can You Hear the Change in Pitch?'>\n<a class=\"trk-show-resource\" title=\"Can You Hear the Change in Pitch? Instructional video\" href=\"/teachers/can-you-hear-the-change-in-pitch\">Can You Hear the Change in Pitch?\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nThis video concerning the Doppler effect lasts only about 10 seconds. It begins with the question, \"Can you hear the change in pitch?\" and records from one spot, the sound of a car coming closer, closer, closer, and then passing...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Can You Hear the Change in Pitch? Instructional video\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=859389\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Can You Hear the Change in Pitch? Instructional video\" href=\"/teachers/can-you-hear-the-change-in-pitch\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='463908' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Light and Elements Lesson plan\" href=\"/teachers/light-and-elements\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Light and Elements Lesson Plan\" title=\"Light and Elements Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-word.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/46101/large/bwluav9tywdpy2symde3mdmymi0ymjg4ny1ud3ntajyuanbn.jpg?1490217787\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Light and Elements'>\n<a class=\"trk-show-resource\" title=\"Light and Elements Lesson plan\" href=\"/teachers/light-and-elements\">Light and Elements\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - Higher Ed</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nHere is a full-fledged investigation of light waves, the electromagnetic spectrum, and element spectra. Physicists research a scientist that contributed to our understanding of the behavior of light. They take notes on your lecture, and...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Light and Elements Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=463908\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Light and Elements Lesson plan\" href=\"/teachers/light-and-elements\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='429980' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Meet the Neighbors: Planets Around Nearby Stars Lesson plan\" href=\"/teachers/meet-the-neighbors-planets-around-nearby-stars\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Meet the Neighbors: Planets Around Nearby Stars Lesson Plan\" title=\"Meet the Neighbors: Planets Around Nearby Stars Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-pdf.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/140985/large/cgrmlwnvbnzlcnqymdezmdmyos0xndmxoc04ytg4c3auanbn.jpg?1414240938\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Meet the Neighbors: Planets Around Nearby Stars'>\n<a class=\"trk-show-resource\" title=\"Meet the Neighbors: Planets Around Nearby Stars Lesson plan\" href=\"/teachers/meet-the-neighbors-planets-around-nearby-stars\">Meet the Neighbors: Planets Around Nearby Stars\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>11th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nLearners explain why a transiting planet causes a periodic dimming in the light from its parent star.  They determine the radius of a planet, and its orbital distance, by analyzing data and manipulating equations.  Students compare the...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Meet the Neighbors: Planets Around Nearby Stars Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=429980\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Meet the Neighbors: Planets Around Nearby Stars Lesson plan\" href=\"/teachers/meet-the-neighbors-planets-around-nearby-stars\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='667197' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-worksheet\"><i class=\"fa-solid fa-pen-to-square resource-icon\"></i><span class=\"ml-5 relative z-10\">Worksheet</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Physics 210 - Frequency Worksheet\" href=\"/teachers/physics-210-frequency\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Physics 210 - Frequency Worksheet\" title=\"Physics 210 - Frequency Worksheet\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/193232/large/cgrmlwnvbnzlcnqymdezmdmzmc0ynzc2ms1uejrhd3yuanbn.jpg?1414289590\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Physics 210 - Frequency'>\n<a class=\"trk-show-resource\" title=\"Physics 210 - Frequency Worksheet\" href=\"/teachers/physics-210-frequency\">Physics 210 - Frequency\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>11th - Higher Ed</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nIn this frequency worksheet, students use the speed of sound to determine the frequency in which sounds are heard in 5 different word problems.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Physics 210 - Frequency Worksheet\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=667197\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Physics 210 - Frequency Worksheet\" href=\"/teachers/physics-210-frequency\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='731392' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-worksheet\"><i class=\"fa-solid fa-pen-to-square resource-icon\"></i><span class=\"ml-5 relative z-10\">Worksheet</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"The Speed of Galaxy Q2125-431 Worksheet\" href=\"/teachers/the-speed-of-galaxy-q2125-431\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"The Speed of Galaxy Q2125-431 Worksheet\" title=\"The Speed of Galaxy Q2125-431 Worksheet\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-pdf.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/220830/large/nzmxmzkylmpwzw.jpg?1414310841\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='The Speed of Galaxy Q2125-431'>\n<a class=\"trk-show-resource\" title=\"The Speed of Galaxy Q2125-431 Worksheet\" href=\"/teachers/the-speed-of-galaxy-q2125-431\">The Speed of Galaxy Q2125-431\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 10th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nIn this speed of a galaxy worksheet, students use a given equation for the speed of an object and they use the spectral lines for Hydrogen Alpha and Beta from the Seyfert galaxy to answer 6 questions. They determine the observed...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to The Speed of Galaxy Q2125-431 Worksheet\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=731392\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"The Speed of Galaxy Q2125-431 Worksheet\" href=\"/teachers/the-speed-of-galaxy-q2125-431\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='221977' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Here It Comes, There It Goes! Lesson plan\" href=\"/teachers/here-it-comes-there-it-goes\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Here It Comes, There It Goes! Lesson Plan\" title=\"Here It Comes, There It Goes! Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/102160/large/mjixotc3lmpwzw.jpg?1414205323\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Here It Comes, There It Goes!'>\n<a class=\"trk-show-resource\" title=\"Here It Comes, There It Goes! Lesson plan\" href=\"/teachers/here-it-comes-there-it-goes\">Here It Comes, There It Goes!\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nStudents use an ordinary toy to reveal the Doppler effect. The connection is also made to moving cars, and to the shifting of the lines in the absorption or emission spectrum when the distance between a star and Earth is increasing or...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Here It Comes, There It Goes! Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=221977\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Here It Comes, There It Goes! Lesson plan\" href=\"/teachers/here-it-comes-there-it-goes\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='584378' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-worksheet\"><i class=\"fa-solid fa-pen-to-square resource-icon\"></i><span class=\"ml-5 relative z-10\">Worksheet</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Galaxies and the Universe Worksheet\" href=\"/teachers/galaxies-and-the-universe-9th-12th\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Galaxies and the Universe Worksheet\" title=\"Galaxies and the Universe Worksheet\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/33323/large/bwluav9tywdpy2symde3mdmymi0zmjqyns1sc2r6oxmuanbn.jpg?1490182513\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Galaxies and the Universe'>\n<a class=\"trk-show-resource\" title=\"Galaxies and the Universe Worksheet\" href=\"/teachers/galaxies-and-the-universe-9th-12th\">Galaxies and the Universe\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nIn this galaxies worksheet, students review 12 terms associated with the Milky Way and galaxies in general. Students fill in the blank of 12 statements.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Galaxies and the Universe Worksheet\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=584378\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Galaxies and the Universe Worksheet\" href=\"/teachers/galaxies-and-the-universe-9th-12th\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1051278' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Tools to Study Tornadoes and Galaxies Lesson plan\" href=\"/teachers/tools-to-study-tornadoes-and-galaxies\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Tools to Study Tornadoes and Galaxies Lesson Plan\" title=\"Tools to Study Tornadoes and Galaxies Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-pdf.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/331662/large/bwluav9tywdpy2symde2mdkxni0zmdi1nc0xdxp0etzjlmpwzw.jpg?1474056756\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>NASA</span>\n</div>\n<h4 class='resource-title' title='Tools to Study Tornadoes and Galaxies'>\n<a class=\"trk-show-resource\" title=\"Tools to Study Tornadoes and Galaxies Lesson plan\" href=\"/teachers/tools-to-study-tornadoes-and-galaxies\">Tools to Study Tornadoes and Galaxies\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>8th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nTake your class on an intergalactic journey as they explore the galaxy and various meteorological events taking place in our atmosphere each day. Learners investigate electromagnetic waves and the Doppler Effect before gathering radar...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Tools to Study Tornadoes and Galaxies Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1051278\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Tools to Study Tornadoes and Galaxies Lesson plan\" href=\"/teachers/tools-to-study-tornadoes-and-galaxies\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1059690' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-instructional-video\"><i class=\"fa-solid fa-circle-play resource-icon\"></i><span class=\"ml-5 relative z-10\">Instructional Video</span><span class=\"ml10 z-10 video-duration\">12:00</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Dark Matter Instructional video\" href=\"/teachers/dark-matter-9th-higher-ed\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Dark Matter Instructional Video\" title=\"Dark Matter Instructional Video\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/338370/large/bwluav9tywdpy2symde3mdcyny0ynte5ltezcmp1chyuanbn.jpg?1501193704\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Crash Course</span>\n</div>\n<h4 class='resource-title' title='Dark Matter'>\n<a class=\"trk-show-resource\" title=\"Dark Matter Instructional video\" href=\"/teachers/dark-matter-9th-higher-ed\">Dark Matter\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - Higher Ed</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nTurn to the dark side! Learners discover the facts about the matter you can't see and can't interact with, yet, it may make up 85 percent of the universe. The narrator explains what we know about dark matter, how it changes the behavior...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Dark Matter Instructional video\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1059690\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Dark Matter Instructional video\" href=\"/teachers/dark-matter-9th-higher-ed\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='543359' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Galaxies Lesson plan\" href=\"/teachers/galaxies-10th\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Galaxies Lesson Plan\" title=\"Galaxies Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-pdf.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/33322/large/bwluav9tywdpy2symde3mdmymi0zmtuzoc1ramryohkuanbn.jpg?1490182513\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Galaxies'>\n<a class=\"trk-show-resource\" title=\"Galaxies Lesson plan\" href=\"/teachers/galaxies-10th\">Galaxies\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>10th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nTenth graders explore the structure and content of galaxies.  Through discussion, lab, and hands-on activities, they discover the general structure of the three types of galaxies as well as the effect they have on the structure and...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Galaxies Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=543359\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Galaxies Lesson plan\" href=\"/teachers/galaxies-10th\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='715204' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Computer Interfacing: Frequency Measurement - The Doppler Effect Lesson plan\" href=\"/teachers/computer-interfacing-frequency-measurement-the-doppler-effect\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Computer Interfacing: Frequency Measurement - The Doppler Effect Lesson Plan\" title=\"Computer Interfacing: Frequency Measurement - The Doppler Effect Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/213996/large/nze1mja0lmpwzw.jpg?1414305033\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='Computer Interfacing: Frequency Measurement - The Doppler Effect'>\n<a class=\"trk-show-resource\" title=\"Computer Interfacing: Frequency Measurement - The Doppler Effect Lesson plan\" href=\"/teachers/computer-interfacing-frequency-measurement-the-doppler-effect\">Computer Interfacing: Frequency Measurement - The Doppler Effect\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>7th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nStudents explore the Dollper effect by finding the frequency and velocity of sound.&nbsp; In this velocity instructional activity, students determine the impulse during a collision by using their data and a software program.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Computer Interfacing: Frequency Measurement - The Doppler Effect Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=715204\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Computer Interfacing: Frequency Measurement - The Doppler Effect Lesson plan\" href=\"/teachers/computer-interfacing-frequency-measurement-the-doppler-effect\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='267352' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"&quot;Water, Water Everywhere and None to Drink&quot; Lesson plan\" href=\"/teachers/water-water-everywhere-and-none-to-drink-english-language-arts-9th\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"&quot;Water, Water Everywhere and None to Drink&quot; Lesson Plan\" title=\"&quot;Water, Water Everywhere and None to Drink&quot; Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"//lessonplanet.com/content/resources/thumbnails/2097/large/bwluav9tywdpy2symde3mdmxni0xotu0ms1ic2ljzm4uanbn.jpg?1489677153\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Curated OER</span>\n</div>\n<h4 class='resource-title' title='&quot;Water, Water Everywhere and None to Drink&quot;'>\n<a class=\"trk-show-resource\" title=\"&quot;Water, Water Everywhere and None to Drink&quot; Lesson plan\" href=\"/teachers/water-water-everywhere-and-none-to-drink-english-language-arts-9th\">\"Water, Water Everywhere and None to Drink\"\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nNinth graders research the importance of maintaining an unpolluted water source in their community. They work together in groups and brainstorm ideas on what they can do to help. They can also write their local politicians.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to &quot;Water, Water Everywhere and None to Drink&quot; Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=267352\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"&quot;Water, Water Everywhere and None to Drink&quot; Lesson plan\" href=\"/teachers/water-water-everywhere-and-none-to-drink-english-language-arts-9th\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1275434' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-unit-plan\"><i class=\"fa-solid fa-bars resource-icon\"></i><span class=\"ml-5 relative z-10\">Unit Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms Unit plan\" href=\"/teachers/texas-gateway-physics-of-hearing-doppler-effect-and-sonic-booms\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms Unit Plan\" title=\"Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms Unit Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/399332-01ce8e0807d54c9ad184ee3291c0073b.jpg?1661610138\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Texas Education Agency</span>\n</div>\n<h4 class='resource-title' title='Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms'>\n<a class=\"trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms Unit plan\" href=\"/teachers/texas-gateway-physics-of-hearing-doppler-effect-and-sonic-booms\">Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>11th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nBy the end of this section, you will be able to define Doppler effect, Doppler shift, and sonic boom; calculate the frequency of a sound heard by someone observing Doppler shift; and describe the sounds produced by objects moving faster...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms Unit plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1275434\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Doppler Effect and Sonic Booms Unit plan\" href=\"/teachers/texas-gateway-physics-of-hearing-doppler-effect-and-sonic-booms\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1237114' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-website\"><i class=\"fa-solid fa-columns resource-icon\"></i><span class=\"ml-5 relative z-10\">Website</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Nasa Star Child: The Universe (Level 1) Website\" href=\"/teachers/nasa-star-child-the-universe-level-1\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Nasa Star Child: The Universe (Level 1) Website\" title=\"Nasa Star Child: The Universe (Level 1) Website\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/230007-a372b5024c706a0263e4dc6d168fe8a4.jpg?1661455525\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>NASA</span>\n</div>\n<h4 class='resource-title' title='Nasa Star Child: The Universe (Level 1)'>\n<a class=\"trk-show-resource\" title=\"Nasa Star Child: The Universe (Level 1) Website\" href=\"/teachers/nasa-star-child-the-universe-level-1\">Nasa Star Child: The Universe (Level 1)\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>3rd - 5th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nThis site provides an introduction to the origin of the universe for the young child and the Big Bang theory. There is also a song about the Doppler Shift. Vocabulary glossary and printable version available.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Nasa Star Child: The Universe (Level 1) Website\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1237114\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Nasa Star Child: The Universe (Level 1) Website\" href=\"/teachers/nasa-star-child-the-universe-level-1\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1275457' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-unit-plan\"><i class=\"fa-solid fa-bars resource-icon\"></i><span class=\"ml-5 relative z-10\">Unit Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Ultrasound Unit plan\" href=\"/teachers/texas-gateway-physics-of-hearing-ultrasound\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Texas Gateway: Physics of Hearing: Ultrasound Unit Plan\" title=\"Texas Gateway: Physics of Hearing: Ultrasound Unit Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/399361-013d9fa7f466211cc53a88de21e8c23b.jpg?1661610143\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Texas Education Agency</span>\n</div>\n<h4 class='resource-title' title='Texas Gateway: Physics of Hearing: Ultrasound'>\n<a class=\"trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Ultrasound Unit plan\" href=\"/teachers/texas-gateway-physics-of-hearing-ultrasound\">Texas Gateway: Physics of Hearing: Ultrasound\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>11th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nBy the end of this section, you will be able to define acoustic impedance and intensity reflection coefficient, describe medical and other uses of ultrasound technology, calculate acoustic impedance using density values and the speed of...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Texas Gateway: Physics of Hearing: Ultrasound Unit plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1275457\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Ultrasound Unit plan\" href=\"/teachers/texas-gateway-physics-of-hearing-ultrasound\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1160897' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-lesson-plan\"><i class=\"fa-solid fa-book resource-icon\"></i><span class=\"ml-5 relative z-10\">Lesson Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson plan\" href=\"/teachers/pbs-teachers-the-dark-side-of-the-universe-doppler-shift-pdf\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson Plan\" title=\"Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/120528-27b1e0832d6ded7211396a70c5d6c972.jpg?1661407624\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>PBS</span>\n</div>\n<h4 class='resource-title' title='Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf]'>\n<a class=\"trk-show-resource\" title=\"Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson plan\" href=\"/teachers/pbs-teachers-the-dark-side-of-the-universe-doppler-shift-pdf\">Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf]\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Teachers</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>3rd - 8th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nInvestigate how astronomers detect movements of stars by studying the Doppler effect on the star's light spectrum. Construct a model that illustrates this concept underlying red shift.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1160897\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Pbs Teachers: The Dark Side of the Universe: Doppler Shift [Pdf] Lesson plan\" href=\"/teachers/pbs-teachers-the-dark-side-of-the-universe-doppler-shift-pdf\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1189512' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-unit-plan\"><i class=\"fa-solid fa-bars resource-icon\"></i><span class=\"ml-5 relative z-10\">Unit Plan</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Learn Ap Physics: Physics B: Waves Unit plan\" href=\"/teachers/learn-ap-physics-physics-b-waves\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Learn Ap Physics: Physics B: Waves Unit Plan\" title=\"Learn Ap Physics: Physics B: Waves Unit Plan\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/169082-9ae6615da08a4efe2223167e417d403c.jpg?1661193457\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Learn AP Physics</span>\n</div>\n<h4 class='resource-title' title='Learn Ap Physics: Physics B: Waves'>\n<a class=\"trk-show-resource\" title=\"Learn Ap Physics: Physics B: Waves Unit plan\" href=\"/teachers/learn-ap-physics-physics-b-waves\">Learn Ap Physics: Physics B: Waves\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 10th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nA site dedicated to help students prepare for the AP Physics B test. This specific site reviews waves including traveling waves, standing waves, resonance, speed of electromagnetic waves, Doppler shift, Doppler effect, interference,...\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Learn Ap Physics: Physics B: Waves Unit plan\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1189512\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Learn Ap Physics: Physics B: Waves Unit plan\" href=\"/teachers/learn-ap-physics-physics-b-waves\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1184954' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-website\"><i class=\"fa-solid fa-columns resource-icon\"></i><span class=\"ml-5 relative z-10\">Website</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"University of St. Andrews: Christian Doppler Biography Website\" href=\"/teachers/university-of-st-andrews-christian-doppler-biography\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"University of St. Andrews: Christian Doppler Biography Website\" title=\"University of St. Andrews: Christian Doppler Biography Website\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/163313-86019da10f6b7f3e732b6095adc3d576.jpg?1661422680\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>University of St. Andrews (UK)</span>\n</div>\n<h4 class='resource-title' title='University of St. Andrews: Christian Doppler Biography'>\n<a class=\"trk-show-resource\" title=\"University of St. Andrews: Christian Doppler Biography Website\" href=\"/teachers/university-of-st-andrews-christian-doppler-biography\">University of St. Andrews: Christian Doppler Biography\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 10th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nThis site provides a complete biography of Christian Doppler (1803-1853 CE), founder of the Doppler principle of sound waves. Includes quotes from Doppler and those who knew him, as well as an outline of his scientific achievements.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to University of St. Andrews: Christian Doppler Biography Website\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1184954\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"University of St. Andrews: Christian Doppler Biography Website\" href=\"/teachers/university-of-st-andrews-christian-doppler-biography\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1295731' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-website\"><i class=\"fa-solid fa-columns resource-icon\"></i><span class=\"ml-5 relative z-10\">Website</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Kettering University: Doppler Effect and Sonic Boom Website\" href=\"/teachers/kettering-university-doppler-effect-and-sonic-boom\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Kettering University: Doppler Effect and Sonic Boom Website\" title=\"Kettering University: Doppler Effect and Sonic Boom Website\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/763090-98eae7322eee660f01b7628327fad3f0.jpg?1661421844\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Pennsylvania State University</span>\n</div>\n<h4 class='resource-title' title='Kettering University: Doppler Effect and Sonic Boom'>\n<a class=\"trk-show-resource\" title=\"Kettering University: Doppler Effect and Sonic Boom Website\" href=\"/teachers/kettering-university-doppler-effect-and-sonic-boom\">Kettering University: Doppler Effect and Sonic Boom\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 10th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nIncredible set of animations demonstrating the Doppler effect and shockwaves resulting from supersonic aircraft.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Kettering University: Doppler Effect and Sonic Boom Website\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1295731\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Kettering University: Doppler Effect and Sonic Boom Website\" href=\"/teachers/kettering-university-doppler-effect-and-sonic-boom\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1088583' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-custom\"><i class=\"fa-solid fa-file resource-icon\"></i><span class=\"ml-5 relative z-10\">Handout</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Georgia State University: Hyper Physics: Doppler Effect Handout\" href=\"/teachers/georgia-state-university-hyper-physics-doppler-effect\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Georgia State University: Hyper Physics: Doppler Effect Handout\" title=\"Georgia State University: Hyper Physics: Doppler Effect Handout\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/14648-86b7498fc19b33bf0bcfae8502eb2a79.jpg?1661422066\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Georgia State University</span>\n</div>\n<h4 class='resource-title' title='Georgia State University: Hyper Physics: Doppler Effect'>\n<a class=\"trk-show-resource\" title=\"Georgia State University: Hyper Physics: Doppler Effect Handout\" href=\"/teachers/georgia-state-university-hyper-physics-doppler-effect\">Georgia State University: Hyper Physics: Doppler Effect\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>9th - 10th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nThis hypertext physics course page illustrates and explains the Doppler effect. Users perform practice calculations for frequency shifts using the Doppler equation.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Georgia State University: Hyper Physics: Doppler Effect Handout\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_resources_tab\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1088583\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Georgia State University: Hyper Physics: Doppler Effect Handout\" href=\"/teachers/georgia-state-university-hyper-physics-doppler-effect\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n<div class='relative search-result-item thumbnail-card no-access' data-id='1275456' data-is-require-teacher-acknowledgment='false' data-item-type='CollectionItemResource' data-type='Resource'>\n\n<div class='panel panel-default panel-resource mb-0 border-none'>\n<div class='resource-card-loader'></div>\n<div class='resource-type-banner'>\n<div class=\"type-resource type-custom\"><i class=\"fa-solid fa-file resource-icon\"></i><span class=\"ml-5 relative z-10\">Handout</span><span class=\"resource-bg\"></span></div>\n</div>\n<div class='thumb-img-wrap-width-helper'></div>\n<div class='thumb-img-wrap'>\n<a class=\"trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Glossary Handout\" href=\"/teachers/texas-gateway-physics-of-hearing-glossary\"><img class=\"resource-img img-thumbnail img-responsive lozad\" alt=\"Texas Gateway: Physics of Hearing: Glossary Handout\" title=\"Texas Gateway: Physics of Hearing: Glossary Handout\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://statictemp.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png\" data-src=\"https://content.lessonplanet.com/knovation/original/399360-14a2b974243e9b69859f4674e5f58261.jpg?1661610144\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" />\n</a><i class='fa-solid fa-image fa-6x thumb-img-wrap-icon'></i>\n</div>\n<div class='resource-info-wrap'>\n<div class='resource-info'>\n<div class='resource-info-top overflow-hidden text-ellipsis'>\n<span class='resource-pool-tag'>Texas Education Agency</span>\n</div>\n<h4 class='resource-title' title='Texas Gateway: Physics of Hearing: Glossary'>\n<a class=\"trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Glossary Handout\" href=\"/teachers/texas-gateway-physics-of-hearing-glossary\">Texas Gateway: Physics of Hearing: Glossary\n</a></h4>\n<div class='resource-meta text-xs text-gray-600 overflow-hidden text-ellipsis'>\n<i class='lp-icon fa-solid fa-user'></i>\n<span class='resource-audience'>For Students</span>\n<i class='lp-icon fa-regular fa-graduation-cap'></i>\n<span class='resource-grade'>11th - 12th</span>\n</div>\n<div class='resource-description-wrap'>\n<div class='resource-description'>\nThis is a glossary of terms and definitions used in Chapter 17: Physics of Hearing from the AP Physics online text.\n</div>\n</div>\n<div class='resource-actions bg-white'>\n<a class=\"btn btn-default btn-xs text-xs free-access-btn upgrade-btn\" title=\"Get Free Access to Texas Gateway: Physics of Hearing: Glossary Handout\" data-track-click=\"Search result free access button\" data-track-label=\"Search Page\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_button_other\" data-remote=\"true\" href=\"/subscription/new?signup_resource_id=1275456\"><i class='fa-regular fa-eye'></i>\n<span class='button-text'>Get Free Access</span>\n</a><a class=\"btn btn-default btn-xs text-xs trk-show-resource\" title=\"Texas Gateway: Physics of Hearing: Glossary Handout\" href=\"/teachers/texas-gateway-physics-of-hearing-glossary\"><i class='fa-solid fa-list-ul'></i>\n<span class='button-text'>See Review</span>\n</a></div>\n</div>\n</div>\n</div>\n\n</div>\n\n\n","pagination":"<div class='text-center' id='search-pagination'>\n<div role=\"navigation\" aria-label=\"Pagination\" class=\"pagination\"><ul class=\"pagination\"><li class=\"prev previous_page disabled\"><a href=\"#\">&#8592; Previous</a></li> <li class=\"active\"><a rel=\"\" href=\"/lesson-plans/doppler-shift\">1</a></li> <li><a rel=\"next\" href=\"/lesson-plans/doppler-shift/2\">2</a></li> <li class=\"next next_page \"><a rel=\"next\" href=\"/lesson-plans/doppler-shift/2\">Next &#8594;</a></li></ul></div>\n</div>\n"}