Curated OER
Plate Tectonics & Land Forms
Fourth graders discuss the different interactions of plates and the ways mountains are created. In this plate tectonics lesson plan students complete an activity in groups.
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.