Air Pollution CB pg.20

123456789101112131415
Across
  1. 3. Substances causing the air to be dirty.
  2. 5. Pollution can travel with the _____ from one place to another.
  3. 6. Another main cause of pollution is from household and ______ chemicals.
  4. 10. The atmosphere is like a ________ of air which protects all life.
  5. 11. Pollution can be caused by humans or can also occur _____.
  6. 14. _______ rain is an effect of air pollution.
  7. 15. Carbon ________ is a gas that comes from cars and trucks on the road.
Down
  1. 1. People rely on _________ every day.
  2. 2. Sulphur ________ comes from the burning of coal.
  3. 4. _____ plants and furnaces are two examples of manmade pollution.
  4. 7. Acid rain is when rain is ______ with the pollution in the air.
  5. 8. Natural pollution may come from _____, forest fires, wind storms, pollen in the air and other sources in nature.
  6. 9. Air pollution is when the air is contaminated and _________.
  7. 12. The _______ helps keep the living things on Earth from burning up or freezing.
  8. 13. When the air is dirty.