Across
- 3. Layer of atmosphere where molecules can escape into space
- 5. Heated by UV light
- 10. Gases that are good at absorbing infrared radiation
- 11. Day to day temperature, pressure, clouds, etc.
- 12. Causing global average temperature to rise
- 15. Unit of atmospheric pressure
- 16. Charged particle belts encircling Earth
- 18. Lowest layer of atmosphere
- 19. Greenhouse gas emitted by cows
- 21. Layer of gas surrounding a planet
Down
- 1. Frozen CO2
- 2. Part of the thermosphere that contains ionized gas
- 4. Between the stratosphere and exosphere
- 6. Happened to the atmosphere of Venus
- 7. A method by which a planet gains atmosphere
- 8. These beautiful lights occur mostly near the north pole
- 9. Protective bubble surrounding Earth
- 13. When this happens, CO2 level build up and the planet warms
- 14. Greenhouse gas
- 17. Greenhouse gas
- 20. Long term trends in weather