Across
- 3. includes all the colors that you see in the rainbow
- 10. lower layer of the thermosphere
- 12. outer portion of the thermosphere
- 13. invisible form of energy with wavelengths shorter than violet light
- 14. energy that can move through the vacuum of space
- 17. dust particles and gases in the atmosphere reflect light in all directions
- 19. envelope of gases that surrounds the Earth
Down
- 1. the three-atom form of oxygen
- 2. direct transfer of energy by electromagnetic waves
- 4. energy that has a wavelength lower than red light
- 5. process which gases hold heat in the air
- 6. outermost layer of Earth’s atmosphere
- 7. second layer of the atmosphere and contains the ozone layer
- 8. layer of the atmosphere in which Earth’s weather occurs
- 9. also called the Northern Lights
- 11. the first letters of the colors of the rainbow
- 15. average amount of energy of motion of each molecule of a substance
- 16. referring to the sun
- 18. layer of the atmosphere that protects Earth’s surface from being hit by most meteoroids