Unit 1 Crossword Puzzle

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Across
  1. 1. The area on the other side of a mountain with very little rain.
  2. 5. Any large region where distinct populations of plants and animals are found living together.
  3. 6. Trees that lose their leaves during a particular season of the year.
  4. 8. When liquid water absorbs enough thermal energy it changes into water vapor.
  5. 10. A line where two different air masses meet.
Down
  1. 2. A sheltered body of deep water next to the shore.
  2. 3. The thin layer of the earth’s surface wear plants grow.
  3. 4. Particles of silt, sand, and clay that are produced by weathering.
  4. 7. The rise of warm air over a hot surface.
  5. 9. The cold regions near the poles where precipitation is light, but snow covers the ground most of the year.