Earth Week

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Across
  1. 2. something invented to make work easier
  2. 5. A variety of ecosystem
  3. 7. Things that you can use
  4. 9. To use less of something
  5. 11. warming up the earth
  6. 12. To make something last longer
  7. 14. The planet that we live on
  8. 17. Things that can reused
  9. 18. A type of fuel
  10. 19. To contaminate things and to make things dirty
Down
  1. 1. The weather
  2. 3. The original things
  3. 4. To protect a area
  4. 6. To cut down a lot of trees
  5. 8. A type of chemical
  6. 10. To use up things
  7. 13. To reuse materials
  8. 15. Something that can be used again and again
  9. 16. Places where animals live