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8th Grade Chapter 4 Lesson 3 Slideshare

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For Student Use Only

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  • 1. Pgs. 153-159 For Student Use Only
  • 2. Atmospheric pressure is the gravitational force within the air. Air pressure is the force of air pushing down on you.
  • 3. How do we measure air pressure? Torricelli continued Galileo‚Äôs work. He found that the column of mercury could be used to test the weight of the air.
  • 4. How does a barometer work?
    • As mercury rises- pressure is greater.
    • As mercury drops- pressure is lower.
    • Rising Barometer= better weather
    • Falling Barometer= worse weather
  • 5. What is meteorologist?
    • All of the above
    • The person who watches for meteor showers.
    • Measurement of weather
    • A person who chases storms
    • Someone who studies weather
  • 6. Match the terms: Altimeter Aneroid Barometer Siphon Vacuum Mercury barometer Uses mercury to measure air pressure Device that moves fluids from high to low concentration without a pump Measures height or altitude above sea level Barometer without liquid Device that moves air from high concentration to low concentration
  • 7.
    • What makes all these devices work?
      • Fluids move from high concentration to low concentration.
    NOTE: