Across
- 2. Rain, snow, sleet, or hail that falls from clouds
- 4. Scientific methods used to reconstruct and understand a mystery
- 6. Something we observe to be similar over and over again
- 7. When something becomes different over time
- 10. Water as a gas
- 12. Conditions such as rain, clouds, and wind at a particular time and place
- 14. The layer of the atmosphere closest to Earth where weather happens
- 15. The force on a surface caused by the weight of the atmosphere pressing down on Earth
- 18. One thing that contributes to causing an event
- 19. The process by which a gas changes into a liquid
- 21. A measure of how hot or cold something is
Down
- 1. The process by which a liquid changes into a gas
- 3. The ability to make things move or change
- 5. Where something comes from
- 7. Liquid water droplets suspended in the air
- 8. The mixture of gases surrounding a planet
- 9. The scientific study of weather
- 11. To move from one object to another or one place to another
- 13. An amount of air that moves as a unit
- 16. A measure of how much water vapor is in the air
- 17. The movement of air in a particular direction
- 20. When something stays mostly the same over time