Students work in groups to select an electronic invention and research who and what was involved in its development. Then they create a display that summarizes the main events surrounding the ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

After melting, the water molecules are closer together than they were as ice. As a liquid, the molecules are more randomly arranged and the molecules are able to slide past each other. As energy is ...