Nature

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Across
  1. 2. Loud noises, bright flashes, a lot of wind
  2. 4. Ocean's motion
  3. 5. Cloud on the ground
  4. 6. Tiny river
  5. 9. White cold sometimes shiny
  6. 10. Fire mountain
  7. 12. Large body of fresh water
  8. 13. Low land between hills
  9. 15. Slow moving ice mass
  10. 17. Very High piece of land
  11. 18. A tiny, sleeping plant waiting for a drink of water to wake up
  12. 19. Small, still body of water
Down
  1. 1. A gentle breath of wind you can feel but never see
  2. 2. It follows the sun but disappears in the dark
  3. 3. Holds the tree upright
  4. 7. Moving water body
  5. 8. Wetland
  6. 9. Garden dirt
  7. 11. A hollow secret hiding deep inside a hill or mountain
  8. 14. Loud nature's electricity
  9. 16. Steep rock face
  10. 17. Wet earth