Across
- 2. a unit of air moving together
- 3. a measure of how much water vapor is in the air
- 5. the mixture of gases surrounding a planet
- 6. the force on a surface caused by the weight of the atmosphere pressing down on Earth
- 8. when something becomes different over time
- 9. water as a gas
- 12. the scientific study of weather
- 13. the movement of air in a particular direction
- 14. rain, snow, sleet, or hail that falls from clouds onto the ground
- 17. the process by which a gas changes into a liquid
- 18. winds that move
Down
- 1. when something stays mostly the same over time
- 4. measure of how hot or cold something is
- 7. the process by which a liquid changes into a gas
- 10. the layer of the atmosphere closest to Earth, where weather happens
- 11. liquid water droplets suspended in the air
- 15. one thing that contributes to causing an event
- 16. the ability to make things move or change
