Weather Words, by Owen Taylor

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Across
  1. 3. The average weather for an area over a period of time.
  2. 4. Has units equal to Celsius degrees where 0° is absolute zero.
  3. 7. A cold air mass is trapped below a warmer air mass.
  4. 10. Fast flowing air currents high in the atmosphere.
  5. 11. Front, A zone where two cold air masses push up a warmer air mass.
  6. 13. The process by which water changes from a liquid to a gas.
  7. 14. A major greenhouse gas. A result of decomposition and digestion.
  8. 15. A large body of air with a roughly uniform moisture content and temperature.
  9. 18. Rain or snow that falls from a cloud but evaporates before it hits the ground.
  10. 21. Replanting forests on land once converted to other uses.
  11. 22. When plants convert carbon dioxide into food and oxygen.
Down
  1. 1. Material from decayed plants and animals, naturally converted into fuel.
  2. 2. When water leaves the ocean, rains onto land and flows back to the ocean.
  3. 5. A section of ice from a glacier, each layer showing a historic climate pattern.
  4. 6. very high energy radiation, usually absorbed by the upper atmosphere.
  5. 8. Where a warm and a cold air mass collide and neither one moves.
  6. 9. The cutting down or burning of forest without replacing it.
  7. 12. A prolonged period of excessive heat, often with excessive humidity.
  8. 16. The distance north or south of the equator, measured in degrees.
  9. 17. Gas or liquid fuel made from plant material.
  10. 19. Gas, Underground deposits of gases containing methane and propane or butane.
  11. 20. The trapping of solar energy as heat in the atmosphere.