Earth Day Everyday

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. Undesirable state of the natural environment being contaminated with harmful substances as (9)
  2. 5. Large area covered with trees (6)
  3. 7. Food that is discarded (7)
  4. 8. To cause to repeat a cycle (7)
  5. 9. Layer of air around the Earth (10)
  6. 10. An increase in the average temperature of the earth's atmosphere (13)
  7. 12. Someone regarded as certain to succeed (7)
  8. 13. The natural world around us (11)
  9. 15. The offspring at one birth of a multiparous mammal (6)

Down

  1. 1. An occurrence of improvement by virtue of preventing loss or injury or other change (12)
  2. 2. Permanently inactive (7)
  3. 4. Inefficient in use of time and effort and materials (8)
  4. 6. Involving risk or danger (9)
  5. 11. A living organism characterized by voluntary movement (6)
  6. 13. The planet we live on (5)
  7. 14. Of or relating to or caused by a ___ or poison (5)