Atmosphere and weather

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Across
  1. 4. When a low pressure system has a lower at its center than the areas around it
  2. 6. The horizontal movement of air from a high pressure area to a low pressure area
  3. 7. The boundary between a mass of cold air and a smaller mass of warm air
  4. 9. form of water that falls from clouds to the Earth
  5. 12. The effect of Earth’s rotation on the direction of winds and currents
  6. 14. The direction the wind blows the most often
  7. 15. The change from a gas to a liquid
  8. 16. The thin layers of gases that make Earth’s outermost layer
  9. 18. A band of high speed winds that are around 10 kilometers above Earth’s surface
  10. 20. The movement of water among Earth
Down
  1. 1. When a cold front or warm front stops moving
  2. 2. The amount of water vapor in the air
  3. 3. A scientists who studys the cause of weather and predicts it
  4. 5. When the atmospheres pressure at the surface of the planet is greater than its environment
  5. 6. The boundary between a mass of warm air and a smaller mass of cold air
  6. 8. The elevation above sea level
  7. 10. A massive body of air that has similar temperature, humidity, and air pressure at a certain height
  8. 11. The process by which molecules at the surface of a liquid get enough energy to change into a gas
  9. 13. When water drains away
  10. 17. The percent of water vapor in the air compared to the maximum amount of water vapor that the air can hold at a certain temperature
  11. 19. Point The temperature when the condensation starts