science project

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Across
  1. 2. energy from the sun
  2. 7. how long it takes to form
  3. 9. breaking down of rock
  4. 11. frozen H2O
  5. 14. dropping of rock
  6. 15. the rock johnson
  7. 16. H2O
  8. 17. compression of rock
  9. 19. 79% nitrogen, 21.9% oxygen
Down
  1. 1. moving of rock
  2. 3. use plants for energy
  3. 4. most common sedimentary rock
  4. 5. energy from water
  5. 6. makes wind energy
  6. 8. liquid fossil fuel
  7. 10. energy from volcanic activity
  8. 12. solid fossil fuel
  9. 13. cementing of rock
  10. 18. gas fossil fuel