Weather Unit Vocabulary Crossword

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Across
  1. 1. big dark thunderstorm clouds
  2. 4. when a fluid is heated, the warm air will rise and the cold air will sink
  3. 5. winds and currents moving because of earths spin
  4. 7. lower part of thermosphere, where ion particles are found
  5. 8. the uppermost layer in the atmosphere, temperature increases as altitude increases
  6. 10. weather system that usually brings stormy weather and clouds
  7. 12. also known as london smog, burning coal causes it
  8. 14. 2nd layer in atmosphere, ozone is found here which protects us from UV
  9. 15. this brings a slight breeze and clear weather
  10. 17. the outermost layer, goes out into space
  11. 18. first layer of the atmosphere, where weather is found
  12. 19. feathery, wispy-looking clouds that form at high altitudes and are made of ice crystals
  13. 20. white, cotton-like clouds
  14. 21. differences in air pressure causes air to move
Down
  1. 1. the process from a gas to a liquid
  2. 2. goes down as you move up in altitude
  3. 3. a dark fog that is a mixture of chemicals and pollutants
  4. 6. 3rd layer in atmosphere, coldest, protects us from meteors
  5. 9. a mixture of gases that surround our planet
  6. 11. cloud that covers most of the sky, can expect a mist or drizzle
  7. 13. low lying dark clouds that cause some precipitation
  8. 16. latin root word is "middle"