Go Green

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. The planet we live on (5)
  2. 4. Involving the entire earth (6)
  3. 6. Undesirable state of the natural environment being contaminated with harmful substances as (9)
  4. 10. Capable of being decomposed by e.g. bacteria (13)
  5. 13. To cause to repeat a cycle (7)
  6. 16. A colorless gas soluble in alkalis and cold water (5)

Down

  1. 2. The type of environment in which an organism or group normally lives or occurs (7)
  2. 3. Energy from the sun that is converted into thermal or electrical energy (10)
  3. 5. A person who freely enlists for service (plural) (10)
  4. 7. A word that is composed of parts from different languages (6)
  5. 8. The maintenance of a certain quantities unchanged during chemical reactions or physical (12)
  6. 9. Learning at school (9)
  7. 11. The natural world around us (11)
  8. 12. A fertilizer that is derived from animal or vegetable matter (7)
  9. 14. A small group of ___ drivers who arrange to take turns driving while the others are passengers (7)
  10. 15. To make a big profit (7)