Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Seeing Sound & Sonar
Students make inferences based on different sounds that they hear. In this inferences lesson plan, students will hear sounds of different objects and describe the sounds based on what they hear. They will answer various questions about...
Curated OER
Reflection, Refraction & Lenses
Students are able to describe what happens to light when it strikes different materials. They describe the law of reflection. Students are able to explain why a mirror froms a virtual image. They are able to describe diffuse reflection.