Across
- 2. the scientific study of the weather.
- 3. liquid water droplets suspended in the air.
- 8. water as a gas.
- 10. when something stays mostly the same over time.
- 11. the movement of air in a particular drection.
- 12. a measure of how hot or cold something is.
- 14. the layer of atmosphere closest to earth.
- 16. the process by which a liquid changes into a gas.
- 18. scientific methods used to reconstruct and understand a mystery.
- 19. where something comes from.
- 20. Theforce on a surface caused by the wight of the air pushing down on Earth.
- 21. when something becomes different over time.
Down
- 1. rain, snow, sleet, or hail that fallsfrom clouds onto the ground.
- 4. the mixture of gasses surrounding a planet.
- 5. to move from one place to another.
- 6. a measure of how much water vapor is in the air.
- 7. the process by which gasses change into a liquid.
- 9. something we observe to be the same over and over again.
- 13. the ability to make things move or change.
- 15. conditions such as rain, clouds, and wind at a particular place and time.
- 17. An amount of air that moves as a unit.
- 18. one thing that contributes to causing an event.
