Acid Rain

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. Being or containing an acid (6)
  2. 3. Gases ejected from an engine as waste products (7)
  3. 4. Inflammation of the membranes lining the ___ tubes (10)
  4. 5. A substance formed by chemical union of two or more elements or ingredients in definite proportion (plural) (9)
  5. 7. Respiratory disease characterized by inflammation of the lung parenchyma with congestion caused (9)
  6. 9. The quantity of water falling to earth at a specific place within a specified period of time (13)

Down

  1. 1. Relating to or containing an ___ (8)
  2. 2. Photosynthetic or plant constituent of plankton (13)
  3. 6. A colorless gas soluble in alkalis and cold water (5)
  4. 8. Respiratory disorder characterized by wheezing (6)