6-8th Grade Science - MS-ESS2-1 - How Earth Cycles Materials at the Surface
6 Questions
Look at the “Life Cycle of a Single Rock” model.
A volcano erupts. Melted rock cools as lava at the surface and as magma underground. Geologists record each sample’s cooling time and average crystal size.
Two continental plates collide and form mountains. Some rocks are buried deeper underground. Deep burial increases pressure and temperature without melting the rock.
An oceanic plate is moving toward a continent. At the plate boundary, the oceanic plate sinks beneath the continent.
A geology class collects three rock samples.
Sedimentary rock layers with shallow-ocean fossils are found high in the mountains today. In 2–3 sentences, explain how this can happen.
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