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Across
  1. 6. A resource that cannot be replaced quickly
  2. 9. The layer of gases that surrounds Earth
  3. 12. The amount of water vapor in the air
  4. 14. The movement of heat through liquids or gases
  5. 16. Large pieces of Earth’s crust that move slowly
  6. 18. The gradual rise in Earth’s average temperature
  7. 20. A tool used to measure air pressure
  8. 21. When liquid water changes into water vapor because of heat
  9. 22. An area of land where all water drains into the same river or lake
  10. 23. A large body of air with similar temperature and moisture
  11. 25. The breaking down of rocks into smaller pieces
Down
  1. 1. A crack in Earth’s crust where movement can cause earthquakes
  2. 2. Any form of water that falls from clouds such as rain snow or hail
  3. 3. Melted rock found beneath Earth’s surface
  4. 4. The process when plants release water vapor into the air
  5. 5. Water that flows over the ground into rivers lakes or oceans
  6. 7. The process that traps heat in Earth’s atmosphere
  7. 8. The process where sediment is dropped in a new place
  8. 10. A resource that can be replaced naturally over time
  9. 11. When a warm air mass moves over a cold air mass
  10. 13. A fast moving wind high in the atmosphere
  11. 15. Small pieces of rock sand or soil moved by wind or water
  12. 17. When water vapor cools and turns back into liquid water
  13. 19. When a cold air mass moves under a warm air mass
  14. 24. Melted rock that flows out of a volcano