Unit 3 Vocabulary words

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Across
  1. 3. scientist that studies volcanoes
  2. 4. thick layer of Earth beneath the crust
  3. 8. the dropping of weathered rock by wind or moving water
  4. 9. the process of moving weathered rock from one place to another
  5. 11. a shaking of Earth’s surface that can cause land to rise and fall
  6. 13. the boundary between two tectonic plates that are COLLIDING with each other
  7. 14. the boundary between two tectonic plates moving AWAY from each other
  8. 15. is the molten rock that erupts from the volcano along with ash and hot gases
  9. 17. the process of rock breaking apart
  10. 19. a break in the Earth’s crust where rock on one side moves in relation to rock on the other side
  11. 20. the liquid rock below Earth’s crust
  12. 21. the strength of an earthquake
Down
  1. 1. the thin outer layer of Earth
  2. 2. a place where hot gases, smoke, and melted rock come out of the ground onto Earth’s surface
  3. 5. scientist that studies earthquakes
  4. 6. the layer of Earth extending from Earth’s center to the bottom of the mantle (Metallic)
  5. 7. measures the magnitude of an earthquake on a scale of 1-10
  6. 10. very small pieces of rock Plate Tectonics- the theory that Earth’s crust is divided into plates that are always moving
  7. 12. the point on Earth’s surface directly above the focus of an earthquake
  8. 16. natural land shape or feature
  9. 18. the boundary between tectonic plates that are sliding past each other horizontally