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Name: _____________________________ Period: _____ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Part 1 – Multiple Choice 1. Which statement most accurately describes the crust? ________ A. B. C. D. E. Composed of plates Thinnest layer “Floats” above the mantle All of the above None of the above 2. Which statement most accurately describes the mantle? ________ A. B. C. D. E. Coolest layer Composed of a “taffy-like” layer that can move The center of the Earth All of the above None of the above 3. Which statement most accurately describes the core? ________ A. B. C. D. E. Very low pressure Heat source for the mantle Has both a solid and liquid layer None of the above Both “B” and “C” 4. What do earthquakes and volcanoes have in common? ________ A. B. C. D. Both are predictable Both are influenced by weather Both can occur along plate boundaries All of the above Part 2 – Extended Response 1. 200 Million years ago Present day A. Using the pictures above, describe the process the caused Africa and South America to separate. Include several details to support your answer. _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ B. Did this process that you just described happen slowly or quickly over time? Use what you know about plate movement to explain your answer. _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ 2. Why can’t a trench form when two continental plates collide? Use what you know about plate collisions and density to support your answer. _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ 3. Use this model from Lesson 16 (the blue jar on top of the candle) to explain how the mantle causes the crust to move. Use arrows on the diagram to help support your answer. (Words to use: mantle, crust, core, convection) _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________
