PLATE BOUNDARIES & CONVECTION Practice Quiz

LAYERS OF earth 1. The layer of our Earth which makes our plates is the ______________. (be specific) 2. The ________ is the layer of Earth that provides the heat for convection. 3. The _____________ is the layer of the Earth where convection currents are located.

Convection current diagram 4. What three things happen at #4 in the diagram? 5. What three things happen at #4 in the diagram? #4 #5

Convection current diagram In which direction would each of these plates move? (Right or Left) #6 #7

Boundary landforms 8. Divergent: Oceanic v. Oceanic 9. Convergent: Oceanic v. Oceanic 10. Divergent: Continental v. Continental Volcanic Islands and Trenches Valleys/Seas Mid-Ocean Ridges

Boundary landforms 12. Convergent: Continental v. Oceanic Earthquakes ONLY Volcanic Mountains and Trenches c. Mountains 11. Convergent Continental v. Continental 12. Convergent: Continental v. Oceanic 13. Transform

Which boundary is which? D, c, or t 14. Juan de Fuca plate subducting under the North American Plate. 15. The North American Plate moving away from the Eurasian Plate 16. The Pacific Plate sliding past the North American Plate.

Name the well-known geologic feature! 17. 18. 19. 20.

Key Lithosphere Core Asthenosphere Heats up, less dense, rises Cools down, more dense, sinks left right c a b c d t San Andreas Fault Andes Mountains Himalaya’s Mid-Atlantic Ridge