Cristobal Columbus

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Across
  1. 2. – Cleaning used water so it can be used again
  2. 5. – Water vapor in the air cools and changes back into liquid drops
  3. 6. – To save something and use it carefully so it doesn’t run out
  4. 10. – Water in lakes and rivers (not salty) that we can drink.
  5. 11. – Liquid water heats up and changes into a gas (water vapor) in the air
  6. 13. – A barrier built across a river to hold back water
  7. 14. cycle – The process of water moving around Earth (rain, rivers, evaporation, etc.)
  8. 15. – The huge body of saltwater that covers most of Earth
Down
  1. 1. – A long period with very little or no rain (very dry spell).
  2. 3. – A canal or pipe built to carry water to places (like cities or farms)
  3. 4. – To make water, air, or land dirty or unsafe by adding harmful materials.
  4. 7. – A large man-made lake (usually behind a dam) used to store water
  5. 8. – Water stored underground in the soil
  6. 9. – Land area that drains rain and melted snow into a stream or
  7. 12. – Rock or sediment layer underground that holds groundwater