Students will review the NASA Space Place video, "Tectonic Forces", and answer questions about tectonic plates.

Compare pictures of different volcanoes. Then visit NASA's Space Place to learn about volcanoes and answer questions about volcanic eruptions.

Through guided inquiry, students will identify interactions of the four major scientific spheres on Earth: biosphere, atmosphere, hydrosphere and geosphere. They will then identify how these systems are represented and interact in their classroom aquarium.

Learn about volcanic ash and watch a visualization of the Calbuco volcano to see how ash travels around the world.