Across
- 2. The change in state from a gas to a solid. This is also how snowflakes form!
- 5. The number of sides a snowflake typically has due to the shape of water molecules.
- 7. The layer of Earth's atmosphere that contains the International Space Station.
- 9. The layer of Earth's atmosphere in which weather occurs.
- 10. Precipitation formed when liquid water falls from a cloud and freezes after it makes contact with a surface.
- 11. The measure of how much water vapor in the air, measured by a hygrometer.
- 14. The change in state from a gas to a liquid.
- 16. The force that pulls liquid water down from clouds to Earth's surface.
- 17. Precipitation that falls as a liquid, but freezes before hitting Earth's surface.
Down
- 1. The outermost layer of Earth's atmosphere.
- 3. A molecule in Earth's stratosphere that helps absorb UV radiation from the sun.
- 4. The 2nd most abundant gas in the atmosphere.
- 6. The type of current that occurs in the atmosphere when hot air rises and cold air sinks.
- 8. A type of vaporization that takes place at the top of a liquid.
- 11. Precipitation formed when an ice pellet collects layers of ice in a cloud before falling to the surface.
- 12. As altitude increases, air pressure _____________.
- 13. The instrument that measures air pressure.
- 15. Clouds need this to form, along with water.