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8th Grade Chapter 4 Lesson 3 Slideshare
 

8th Grade Chapter 4 Lesson 3 Slideshare

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    8th Grade Chapter 4 Lesson 3 Slideshare 8th Grade Chapter 4 Lesson 3 Slideshare Presentation Transcript

    • Pgs. 153-159 For Student Use Only
    • Atmospheric pressure is the gravitational force within the air. Air pressure is the force of air pushing down on you.
    • How do we measure air pressure? Torricelli continued Galileo’s work. He found that the column of mercury could be used to test the weight of the air.
    • 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
    • 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
    • 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
      • What makes all these devices work?
        • Fluids move from high concentration to low concentration.
      NOTE: