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