Across
- 2. energy transfer through space by by invisible waves
- 4. continual movement of water between Earth's surface and the atmosphere.
- 6. a type of oxygen that is made of three oxygen atoms bonded together and absorbs ultraviolet radiation from the sun.
- 8. temperature to which air is cooled to reach saturation.
- 9. small particles in the atmosphere around which cloud droplets can form.
- 12. energy transfer that occurs when molecules collide; takes place only when substances are in contact with each other.
- 15. all solid and liquid forms of water - including rain, snow, sleet, and hail - that falls from clouds.
- 17. process by which water changes from a liquid to a gas.
- 19. layer of Earth's atmosphere that is located above the tropopause and is made up primarily of concentrated ozone.
- 20. amount of water vapor in the air.
Down
- 1. height above the ground at which condensation occurs.
- 3. transfer energy by the flow of a heated substance.
- 5. layer of the Earth's atmosphere closest to Earth's surface.
- 7. process that occurs when cloud droplets collide and form larger droplets.
- 10. outermost layer of Earth's atmosphere
- 11. measurement of how quickly or how slowly molecules move around.
- 13. process by which a cooling gas changes into a liquid.
- 14. layer of Earth's atmosphere above the stratosphere.
- 16. layer of Earth's atmosphere that is located above the mesopause
- 18. ability of an air mass to resist rising.