Galaxies Teacher Resources

Find Galaxies educational ideas and activities

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Students practice skills used in scientific investigation while studying the three main types of galaxies. Students identify Earth as part of Milky Way galaxy, the parts of galaxies, and the types of galaxies, as well as classify galaxies by size and shape in a computer game.
Tenth 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 function of the universe. Two lessons are included.
Students use the provided website to classify galaxies after exploring information about elliptical, spiral, lenticular, and irregular galaxies and using the Hubble Tuning Fork.
Hubble and his amazing telescope were key factors in determining what we know about galaxies. Introduce your learners to the types, composition, and incredible distance of galaxies. This is a simple and easily understood clip appropriate for any grade schooler. Kids will love looking into the night sky after viewing this clip.
You've found part one of a three-part series entitled "A Practical Guide to the Universe." Hosted by Tom Selek, this older clip shows, describes, and invites viewers to think about what galaxies are. The color, motion, and brightness of stars are the key scientists use to determine the distance between galaxies. This topic is discussed in a clear and easy to follow way, younger students are sure to appreciate.
In this galaxies and fractions worksheet, students solve 8 problems involving the distances of galaxies from each other by using mixed fractions to solve each problem. They use the megaparsec as the unit of measurement.
In this scales and galaxies instructional activity, students solve 7 problems including finding the size of galaxies in comparison to other galaxies and drawing scale models of the given galaxies to show their relative sizes and shapes.
Students research the constellations and discuss their findings. Then they construct their own maps of the galaxy using paper, black paint, aluminum foil, etc. They make a 3-D map of their chosen constellation.
For this counting galaxies worksheet, students use a photograph taken by the Hubble Space Telescope and they divide the field into 16 square areas. They find the average number of galaxies in the cells, they find the area of one of the cells and they determine the total number of galaxies the Hubble Space Telescope detected in the photograph.
For this most distant galaxy worksheet, students use a Deep Field image taken by the FORS camera at the ESA-VLT observatory to answer 4 questions about the redshifts identified in the field. They use an on line redshift calculator to determine look-back times for each galaxy.
Students analyze a designated galaxy with a partner or in a small group.
In this galaxy activity, students use the Internet or other resources to answer 13 questions about the galaxy NGC-1232. They are given a photograph of the galaxy to help determine the width and diameter of certain regions of the galaxy.
In 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 wavelengths, the rest wavelengths, the velocities of the wavelengths and if the galaxy is moving towards or away from the Milky Way Galaxy.
Students explore the site Second Life and discover the Tomatillo Galaxy. In this Tomatillo Galaxy lesson plan, students make a diorama and give an oral presentation about the Tomatillo Galaxy.
In this orbit of stars in galaxies worksheet, students are given an equation that models the orbital speeds of stars as they relate to their distance from the nucleus of a galaxy. Students solve 5 problems using this equation and determine how fast stars orbit a galaxy, the maximum velocity of a star and the years it takes a star to complete an orbit.
In this Sombrero Galaxy worksheet, students observe infrared images taken by the Spitzer Infrared Telescope and the Hubble Space Telescope. They answer 9 questions about the details of the images such as the radius of the stellar component, the thickness of the dust disk and the diameter of the bright nuclear core.
NASA was able to capture an image of our Milky Way galaxy that helps scientists better understand its composition and stellar evolution. A very clear narrator describes what the image shows and what it means to science and our galaxy.
Have your scientists ever asked what would happen if two galaxies collided? Use this clip to show what was seen through the Hubble telescope: the collision of two galaxies. You'll be able to narrate this clip any way you like, since it's silent.
Black holes are thought to play an important role in the formation of spiral galaxies, like our own. This clip explains how gravity and mass work together with the black hole phenomena to create and consume stars and galaxies.
Sometimes open ended is good. This five-minute silent video shows various objects found in space. Learners will see Earth, the Milky Way, stars, nebulae, comets, quasars, and galaxies. Because there is no narration this video could be used for any number of purposes, paused, discussed, or made available for interested learners.

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Galaxies