Across
- 2. when something becomes different over time
- 5. scientific methods used to reconstruct and understand a mystery
- 8. liquid water droplets suspended in the air
- 9. rain, snow, sleet, or hail that falls from clouds onto the ground
- 11. one thing that contributes to causing an event
- 14. something we observe to be similar over and over again
Down
- 1. the scientific study of weather
- 3. a measure of how much water vapor is in the air
- 4. the process by which a liquid changes into a gas
- 6. pressure the force on a surface caused by the weight of the atmosphere pressing down on Earth
- 7. the mixture of gases surrounding a planet
- 10. the ability to make things move or change
- 12. parcel an amount of air that moves as a unit
- 13. the process by which a gas changes into a liquid