Protect Our Environment

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Across
  1. 1. Falls from clouds as rain and forms streams, lakes, and seas
  2. 3. Grown or produced without chemicals
  3. 6. Revolving blade, harnesses wind power
  4. 9. Harmful substances in the air or water
  5. 11. Careful use of energy
  6. 13. The average weather patterns of a region
  7. 15. ______________ warming is the result of many years of giving off carbon dioxide and other chemicals
  8. 17. Man made structure. Blocks a river. Used to harness hydroelectric power
  9. 18. To make less waste
  10. 20. What we use to power our homes
Down
  1. 2. Converting waste materials into reusable objects
  2. 4. place where garbage is buried under the soil
  3. 5. The _____________ layer protects us from the sun's harmful rays
  4. 7. A ___________ resource is one that can be used more than once
  5. 8. The area in which something exists or lives
  6. 10. The mass of air surrounding the Earth
  7. 12. Material, food, etc. that is thrown away
  8. 14. Energy from the sun
  9. 16. To use something again
  10. 19. Fifth-largest planet