The Sea!

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Across
  1. 4. Alive and moving
  2. 6. A piece of land
  3. 7. Something that is strong and won't move
  4. 8. When something breaks apart
  5. 10. A big drop
Down
  1. 1. You can make one out of sand at the beach
  2. 2. When something goes BOOM
  3. 3. When water and wind change the shape of things
  4. 5. A piece of land surrounded by water
  5. 9. Something in the area near you