Plate Tectonics

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Across
  1. 1. boundary where plates slide past each other
  2. 4. a feature that forms when earthquakes occur
  3. 5. states the oldest rock layer will be on the bottom and youngest on top.
  4. 10. the rising and sinking of cool and hot liquids and gasses
  5. 11. feature that forms during uplift when two plates collide
  6. 13. determining the age of rock by where they are located in relation to other layers
  7. 14. the wearing away of rock when the rock changes shape or size
  8. 15. thickest layer of Earth made up of molten rock
  9. 16. boundary where two plates meet
Down
  1. 2. zone which occurs when a denser oceanic plate sinks below a continental plate
  2. 3. boundary where two plates separate
  3. 6. determining the exact age of a rock by using radiometric dating using the decay of elements in rock
  4. 7. rock type that forms from sediments depositing, compacting and cementing
  5. 8. type of rock formed under heat and pressure
  6. 9. type of rock formed from cooling and hardening of magma
  7. 12. the wearing away of rock when the rock changes composition