tectonic plates crossword

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Across
  1. 2. the last name of the person who came up with the Pangea theory his first name is Alfred.
  2. 4. a super Continent
  3. 6. the center of the earth.
  4. 9. a crack in the earth that lava flows through.
  5. 10. molten rock under the earth.
  6. 12. the layer of the earth that is made up of molten rock.
  7. 14. (2 words no spaces) the plates that make up the earth.
  8. 16. a machine that detects earthquakes
  9. 17. breakes in the earth's surface along which rocks can move
  10. 18. (2 words no spaces) the outermost part of the core.
  11. 20. a scientist who studies volcanoes.
Down
  1. 1. the bowl that is at the top of the main vent on a volcano.
  2. 3. a hot spring that blows steam and water into the air
  3. 5. a crack in the earth that magma and gasses spew out of.
  4. 7. molten rock that came out of a volcano.
  5. 8. volcanic gasses
  6. 11. (2 words no spaces) where magma sits before it erupts from a volcano and becomes lava.
  7. 13. the upper part of the crust .
  8. 15. a scientest who studys the movement of the earth
  9. 19. (2 words no spaces) the slowest moving waves and the most destructive.