Examine the environmental hazards associated with volcanoes with a three-part science lesson. In the pre-lab, first graders learn that gas, landslides, ash, and lava are all hazards that come from volcanoes. They then explore...

Through five lessons, students are introduced to all facets of the rock cycle. Topics include rock and mineral types, material stresses and weathering, geologic time and fossil formation, the Earth's crust and tectonic plates, and soil...