Earth Day

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Across
  1. 2. Energy from the sun
  2. 5. The three Rs: Reduce, Reuse, and ___
  3. 7. Leftover food scraps can be turned into this to help plants grow
  4. 12. A reusable container for carrying water
  5. 13. A type of gas that traps heat in Earth’s atmosphere
  6. 15. When we buy fewer new things, we ___ our waste
  7. 16. Harmful gases released into the air
  8. 17. The natural home of plants and animals
  9. 19. A place where garbage is buried
Down
  1. 1. ___ change is caused by pollution and greenhouse gases
  2. 3. Day April 22 is known as ___
  3. 4. The process of making something new from old materials
  4. 6. What trees absorb from the air
  5. 8. When you turn off water while brushing, you ___ it
  6. 9. The protective layer around Earth that absorbs UV rays
  7. 10. The colour most associated with helping the planet
  8. 11. The type of bags that harm marine animals
  9. 14. The world’s largest tropical rainforest
  10. 18. An alternative energy source that uses wind