Geology

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Across
  1. 3. A sudden violent shaking of the ground
  2. 5. A mountain with a crater or vent in which lava comes out
  3. 6. The lowest layer of the atmosphere
  4. 8. The number of tectonic plates
  5. 10. A rock formed from compaction and cementation
  6. 14. A tool used to locate earthquakes
  7. 16. A solid inorganic substance
  8. 18. When plates slide past each other
  9. 19. A process that breaks rocks into smaller pieces through wind,rain, and ice
  10. 20. The study of Earth
Down
  1. 1. Hot fluid within the Earth's crust
  2. 2. The coldest layer of the atmosphere
  3. 4. The way light interacts with the surface of a crystal, rock, or mineral
  4. 7. A tool used to find the magnitude of an earthquake
  5. 9. When plates move toward each other
  6. 11. A rock formed from heat and pressure
  7. 12. A process when sediments are carried from one place to another
  8. 13. The act of cleaving or splitting a rock
  9. 15. A rock formed from the cooling of magma
  10. 17. When plates move apart