Earth Day Crossword Puzzle

12345678910
Across
  1. 2. What we breathe
  2. 4. Harmful substances to the air, water, and land
  3. 5. The color of a 4-leaf clover
  4. 6. Trash in the environment
  5. 9. Month of Earth Day
Down
  1. 1. Weather conditions
  2. 3. Earth is a ______
  3. 7. Convert into reusable material
  4. 8. Rescue and Protect
  5. 10. Use again