Across
- 3. an animal known as a feline
- 6. the transfer of energy as heat through a material
- 8. Where the Ozone layer is
- 9. Where the aurora borealis takes place
- 10. powerful greenhouse gas and is used as fuel
- 13. Where weather occurs
- 16. the emission of energy as electromagnetic waves
- 17. composed of 78 percent of Earths atmosphere
- 19. changes in the average weather conditions
- 22. a measure of the warmth or coldness of an object or substance
- 23. the outermost region of a planet's atmosphere
- 24. is absorbed by plants in photosynthesis
- 25. an instrument for measuring temperature
- 26. Coldest layer
- 27. occurs in the troposphere
Down
- 1. absorbs almost all of the sun's harmful ultraviolet light
- 2. gases surrounding the earth or another planet
- 4. composed of 21 percent of Earths atmosphere
- 5. The measure of the force with which air molecules push on a surface
- 7. the gradual heating of Earth's surface
- 11. composed of 0.9 percent of Earths atmosphere
- 12. the natural process that warms the Earth's surface
- 14. an instrument that measures atmospheric pressure
- 15. how much water vapor is in the air, compared to how much it could hold at that temperature
- 18. the amount of water in the air
- 20. height above sea level or the earth's surface
- 21. contains a high concentration of ions