Unit 3 Science

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Across
  1. 1. thick layer of Earth beneath the crust
  2. 3. very small pieces of rock
  3. 5. the point on Earth's surface directly above the focus of an earthquake
  4. 9. shaking of earth's surface that can cause land to rise and fall
  5. 10. the boundary between two tectonic plates moving away from each other
  6. 13. the boundary between two tectonic plates that are sliding past each other horizontally
  7. 14. the process of rock breaking apart
  8. 18. measures the magnitude of an earthquake on a scale 1-10
  9. 19. scientist who studies earthquakes
Down
  1. 2. natural land shape or feature
  2. 4. the boundary between two tectonic plates that are colliding with each other
  3. 6. The theory that Earths crust is divided into plates that are always moving
  4. 7. the process of moving weathered down rock form one place to another
  5. 8. a break in the earth's surface crust where rock on one side moves in relation to rock on the other side.
  6. 11. the strength of an earthquake
  7. 12. the dropping of rock by wind or moving water
  8. 15. the layer of earth extending from Earths center to the bottom of the mantle.
  9. 16. the thin outer layer of Earth
  10. 17. the liquid rock below earths surface.