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