PLATE TECTONICS CROSSWORD PUZZLE

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Across
  1. 3. an area of fracturing between rocks resulting from stress.
  2. 4. a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth.
  3. 6. a geologic process in which tectonic plates—large slabs of Earth's lithosphere split apart from each other.
  4. 7. the outermost shell of a terrestrial planet.
  5. 8. It's made up of a liquid metal outer core that flows around a solid metal inner core.
  6. 9. occur along divergent plate boundaries, where new ocean floor is created as the Earth's tectonic plates spread apart.
  7. 11. a depression in the earth's crust.
  8. 12. the mostly solid bulk of Earth's interior.
  9. 15. THE MOVEMENT OR STUDY OF THE MOVEMENT OF EARTHS CRUST
  10. 16. where crust is neither produced nor destroyed as the plates slide horizontally past each other.
  11. 18. when an oceanic plate runs into a continental plate and slides beneath it.
  12. 19. occurs when two tectonic plates move away from each other.
  13. 20. molten rock in the earths crust.
Down
  1. 1. includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure.
  2. 2. bounderies between plates.
  3. 5. The plates have moved across Earth's surface for hundreds of millions of years.
  4. 10. long, narrow depressions on the seafloor.
  5. 13. an area of rock that has been bent by stress.
  6. 14. is a split between 2 plates that were once joined.
  7. 17. When forces are parallel but moving in opposite directions.