Unit 3 Earth Science Vocabulary

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