Science Chapter 8 – 8.1 – 8.3

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Across
  1. 4. The predictable winds, blowing in different directions at certain latitudes, which sailors depend on are called _____ _____.
  2. 8. A _____ is a scientist who studies weather.
  3. 12. _____ describes weather conditions of a certain area over time.
  4. 13. The atmosphere’s ability to keep heat from easily escaping into space is called the _____ _____.
  5. 14. Weather happens in the _____ atmosphere.
  6. 15. Cold air is _____ than warm air.
Down
  1. 1. The instrument used to detect air pressure changes is a _____.
  2. 2. _____ is the gas that makes up most of the air.
  3. 3. The air surrounding the earth is called the _____.
  4. 5. The _____ atmosphere has the greatest density of gases.
  5. 6. Gases exert pressure because they have _____.
  6. 7. A _____is a weather prediction.
  7. 9. The _____ _____ causes weather systems to move from west to east, dipping up and down.
  8. 10. A constant movement of air causes _____.
  9. 11. The condition of the air is called _____.