Ms B's Class

This presentation can be used to introduce/review Earth's systems/spheres (atmosphere, biosphere, hydrosphere, lithosphere) The first slides feature different scenarios and challenge students to identify the different sphere interactions in each situation. Next, students are tasked to identify how spheres interact during catastrophic events. Students read summaries of the Yellowstone National Park fires of 1988 and the eruption of Mt. Saint Helens in 1980 and discuss how spheres interacted duri