Eighth graders identify and label the primary and secondary muscles used to perform an exercise. Students perform an exercise on a weight machine to figure out which muscles are being used. Students illustrate the muscles used by...

Learners encounter basic facts about helium and hot air. They compare the weight and size of different materials. Students work collaboratively in teams. They create their own model balloon.

Students view a video clip about suspension bridges. They discover what forces support this type of bridge. They build their own suspension bridge using classroom materials.

Students investigate how the density of water changes the buoyancy of water. Students create a hypothesis about what will happen when placing the egg into the water.Students can research online different bodies of water (The Red Sea, The...