Earth Science

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Across
  1. 3. broken down
  2. 5. when tectonic plates move away
  3. 7. When tectonic plates collide
  4. 8. accumulation of decomposed animal and plant remains
  5. 9. study of space
  6. 11. study of the ocean
  7. 15. rock that dissolves in water
  8. 16. Natural opening in the earth big enough for human exploration
  9. 17. study of weather
  10. 18. Unevenly Broken
  11. 19. Created by heat or pressure
  12. 20. The sideways or downward movement of a tectonic plate
Down
  1. 1. worn down
  2. 2. a sheen or soft glow
  3. 4. Icicle shaped rock hanging from cave
  4. 5. Laying down sediment carried by wind
  5. 6. study of rocks
  6. 10. a deposit of calcium carbonate
  7. 12. rocks composed of older or broken down rocks
  8. 13. a large mass of ice that moves slowly over land
  9. 14. made from decomposing plants
  10. 16. heat is transferred by movement of heated liquid