Science

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Across
  1. 7. water can be passed through
  2. 9. climate condition in a small area
  3. 11. Temperature average over a long period of time
  4. 12. Changing from a liquid to vapor
  5. 15. Hemispheres that make up the earth
  6. 16. daily temperature
  7. 17. One-half of the earth
  8. 18. collects water that falls
  9. 20. something that can separate solid and fluid matter from mixtures
Down
  1. 1. helps separate watersheds
  2. 2. the amount of salt dissolved in water
  3. 3. The area occupied by a liquid, gas, or solid
  4. 4. The unit used to measure volume
  5. 5. Water falling on the surface of the soil
  6. 6. When harmful waste enters an environment
  7. 8. A mass of ice or snow that is subject to gravity
  8. 10. It occurs when warm vapors or steam are in contact with cold surfaces
  9. 13. Water is held underground
  10. 14. needed to access underground water
  11. 19. a type of surface water