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