Unit 5 Review

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Across
  1. 4. a type of wave that moves through the vacuum of space
  2. 5. the weight of air pushing down on an area
  3. 8. a form of heat transfer that occurs in fluids
  4. 10. this layer of the atmosphere is the coldest
  5. 12. envelope of gases held to Earth by the force of gravity
  6. 13. either a gas or a liquid
  7. 14. most abundant gas in Earth's atmosphere
  8. 15. a gas that there is only a small amount of in the atmosphere
  9. 16. the layer of the atmosphere that experiences weather
  10. 18. this layer protects from ultraviolet radiation
  11. 19. a form of heat transfer that require objects touching
  12. 21. the ionosphere is the lower layer of this main layer in the atmosphere
  13. 22. a type of electromagnetic radiation that can be felt as heat
  14. 24. an example of a trace gas in Earth's atmosphere
  15. 25. second most abundant gas in the atmosphere
Down
  1. 1. the ozone layer is found in this layer of the atmosphere
  2. 2. how light reacts when it hits particles in the atmosphere
  3. 3. a type of electromagnetic radiation that humans see as colors
  4. 6. a type of electromagnetic radiation that causes sunburns
  5. 7. the distance between two peaks on a wave
  6. 9. the air above you that extends all the way through space
  7. 11. a form of heat transfer through electromagnetic waves (infrared or ultraviolet)
  8. 17. the hottest layer of the atmosphere
  9. 20. an instrument used to measure air pressure
  10. 23. the amount of mass in a given volume