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