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Transcript
Plate Tectonics Post-Test Name____________________________________ 1. A _____________________ plate boundary occurs where two tectonic plates collide. a. Divergent b. Submergent c. Convergent d. Collisional 2. New crust is created at a. Spreading ridges b. Subduction zones c. Convection boundaries d. Collisional boundaries 3. Oceanic crust is ________________ continental crust a. Less dense than b. More dense than c. The same density as 4. Tectonic plates consist of a. The crust and lithosphere b. The lithosphere and asthenosphere c. The upper core and lower mantle d. The inner and outer core 1 5. What drives the movement of Earth’s tectonic plates? a. Ocean currents b. Wind currents c. The spin of the Earth d. Convection currents in the asthenosphere 6. The majority of earthquakes and volcanoes occur a. In the middle of continents b. At convergent plate boundaries c. At divergent plate boundares d. In the asthenosphere 7. Many volcanoes are a result of a. Melting of a subducting plate at a convergent plate boundary b. Melting of the mantle at a divergent plate boundary c. Upward migration of the fluid from the outer core d. Uneven cooling of the Earth’s crust 8. The theory of ____________________________ explains why and how Earth’s tectonic plates are in constant motion. a. Earthquake motions b. Plate tectonics c. Plate motion d. Drifting continents 2 9. We used an egg and a mixture of oil and thyme as ________________ to help us visualize the Earth and natural processes occurring within the Earth. a. Theories b. Laws c. Concepts d. Models 10. Crust is _______________ at spreading ridges and ___________________ at subduction zones. a. Destroyed, Created b. Created, Destroyed c. Fluid, Solid d. Solid, Fluid 3