Unit 3-Weather

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Across
  1. 4. Boundary forming between air mass
  2. 9. Change of state from liquid to gas
  3. 12. Water vapor that condenses near Earth's surface
  4. 13. Surface where droplets can condense on
  5. 14. The condition of Earth's atmosphere at a certain time and place
  6. 15. The amount of water vapor in the air
  7. 16. Balls or lumps of ice that fall from clouds during thunderstorms
  8. 17. An instrument to measure relative humidity
  9. 18. Air that moves horizontally, or parallel to the ground
Down
  1. 1. An instrument used by scientists to measure air pressure
  2. 2. Warm air mass rises over cold air mass
  3. 3. An instrument used to measure wind speed
  4. 5. An instrument that is used to measure the temperature
  5. 6. The measure of the transparency of the atmosphere
  6. 7. Any form of water that falls to Earth's surface from the clouds
  7. 8. The measure of how hot or cold something is
  8. 10. Obstacles, such as mountain ranges, forcing the mass of air upward
  9. 11. Collection of small water droplets or ice crystals that are suspended in the air