Name: ______Plate Tectonics Review Date: ______

______1. / Upper mantle and crust that is broken into pieces called plates
______2. / Soft layer of earth that has convection currents and causes plates to move
______3. / Individual who proposed the Continental Drift Theory
______4. / Large landmass or supercontinent
______5. / New ocean floor is created at the ______boundary
______6. / Boundary in which plates move apart
______7. / Boundary in which plates collide
______8. / Boundary that produces only earthquakes
______9. / Boundary that produces mountains, volcanoes, and trenches
______10. / Boundary that produces rift valleys and mid-ocean ridges
______11. / Boundary in which two plates scrape past each other
______12. / Two types of crust are ______and ______
______13. / Boundary that creates sea-floor spreading
______14. / Volcanoes are produced at ____ boundaries, _____ boundaries and ____.
______15. / Area in which one plate sinks underneath another
______16. / The ______crust is denser (heavier) than the ______crust
______17. / The three main layers of the earth are _____, _____, and ______
______18. / The _____ crust supports the ocean
______19. / The _____ crust supports the continents
______20. / The main driving force that moves the plates are the ______currents that are located in the ______.
______21. / This type of crust is dense, thin, made out of basalt, and can be subducted.
______22. / The presence of the same ______and ______on several continents supports the idea of continental drift.
______23. / The outer core is made up of a _____ layer. (liquid or solid)
______24. / The inner core is made up of a ______layer. (liquid or solid)
______25. / If the continents were put together, they would fit like a ______.
______26. / Rocks closer to the mid-ocean ridge are (younger, older) than rocks farther from the mid-ocean ridge.
______27. / Subduction occurs only at ______boundaries
______28. / Which type of boundary created the San Andreas Fault?
______29. / Which type of boundary produced the Andes Mountains?
______30. / Which type of boundary produced the Mid-Atlantic Ridge?
______31. / An area in the middle of a plate that produces volcanoes.
______32. / The Hawaiian Islands were formed at a ______
______33. / Area in which two plates interact

Answers:

1. lithosphere / 8. transform / 15. subduction / 22. fossils, rock
structures / 29. convergent
2. asthenosphere / 9. convergent / 16. oceanic denser than continental / 23. liquid / 30. divergent
3. Alfred Wegener / 10. divergent / 17. crust, mantle
and core / 24. solid / 31. hot spots
4. Pangaea / 11. transform / 18. oceanic / 25. Jigsaw puzzle / 32. hot spots
5. divergent / 12. oceanic and
continental / 19. continental / 26. younger / 33. plate boundary
6. divergent / 13. divergent / 20. convection,
asthenosphere / 27. convergent
7. convergent / 14. convergent and
divergent / 21. / 28. transform