Environmental Chemistry

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. Partially decomposed organic matter (5)
  2. 5. To get rid of by killing (11)
  3. 7. An organic compound containing only carbon and ___ (11)
  4. 9. A colorless toxic gas that occurs in the gases from volcanoes (14)
  5. 11. Waste matter that contaminates the water or air or soil (plural) (10)
  6. 12. A substance consisting of two or more substances mixed together (7)
  7. 13. Matter that has been deposited by some natural process (8)
  8. 14. A heavy odorless colorless gas formed during respiration and by the decomposition of organic (13)
  9. 15. Living things like trees and flowers that grow in soil (6)

Down

  1. 1. A ___ in the stratosphere that contains a concentration of ___ sufficient to block most (10)
  2. 2. An odorless very poisonous gas that is a product of incomplete combustion of ___ (14)
  3. 4. Solid homogeneous inorganic substances occurring in nature having a definite chemical composition (7)
  4. 6. The phenomenon of ___ or gravel accumulating (13)
  5. 8. Undesirable state of the natural environment being contaminated with harmful substances as (9)
  6. 10. Condition in which the earth's surface is worn away by the action of water and wind (7)
  7. 16. A caustic substance produced by heating ___ (4)