Water cycle, clouds, global warming

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. Warm weather following a freeze (7)
  2. 4. A technique used in behavior therapy (8)
  3. 6. A wispy white cloud at a high altitude (6)
  4. 9. An increase in the average temperature of the earth's atmosphere (13)
  5. 10. The process of becoming a vapor (11)
  6. 13. Layer of air around the Earth (10)
  7. 14. Any collection of particles or gases that is visible (plural) (6)

Down

  1. 1. The quantity of water falling to earth at a specific place within a specified period of time (13)
  2. 3. The second highest instrument in a family of musical instruments (4)
  3. 5. A large dark low cloud (7)
  4. 6. A globular cloud (7)
  5. 7. The occurrence of surplus liquid exceeding the limit or capacity (6)
  6. 8. The process of changing from a gaseous to a liquid or solid state (12)
  7. 9. State of matter that fills any space, like air (3)
  8. 11. A ___ of unusually hot weather (8)
  9. 12. A shortage of rainfall (7)