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Across
  1. 5. Water falling from clouds
  2. 8. Water changing into vapor
  3. 10. Movement of heat in liquids or gases
  4. 12. Water flowing over land
  5. 15. Vapor cooling into liquid
  6. 16. Small pieces of rock or soil
  7. 18. Layer of gases around Earth
  8. 19. Dropping of sediment
  9. 20. Resource that cannot be replaced quickly
Down
  1. 1. Breaking rocks into smaller pieces
  2. 2. Plants releasing water vapor
  3. 3. Amount of water vapor in air
  4. 4. Trapping of heat in the atmosphere
  5. 6. Melted rock flowing from a volcano
  6. 7. Cold air pushing under warm air
  7. 9. Large moving pieces of crust
  8. 11. Melted rock below Earth’s surface
  9. 13. Crack in Earth where movement happens
  10. 14. Strong wind high in the sky
  11. 17. Resource that can be replaced