Chemistry: Air and Atmosphere Quiz
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Questions and Answers

What is the layer of air that surrounds Earth called?

  • Hydrosphere
  • Stratosphere
  • Ozone
  • Atmosphere (correct)
  • Which gas in the air is used up during combustion processes like fire?

  • Carbon Dioxide
  • Oxygen (correct)
  • Argon
  • Nitrogen
  • What is the force exerted by air on objects called?

  • Temperature
  • Gravity
  • Pressure (correct)
  • Density
  • What is the pressure caused by the weight of all the air particles in Earth's atmosphere called?

    <p>Atmospheric Pressure</p> Signup and view all the answers

    How does compressed air behave compared to when it is not compressed?

    <p>It fills a smaller space</p> Signup and view all the answers

    What is the primary force that allows airplanes to fly?

    <p>Lift</p> Signup and view all the answers

    Which principle explains why the pressure exerted by a fluid decreases when its speed increases?

    <p>Bernoulli's Principle</p> Signup and view all the answers

    How can one achieve increased lift for flying objects?

    <p>Decrease weight</p> Signup and view all the answers

    Which force is responsible for acting against an object moving through a fluid or gas?

    <p>Drag</p> Signup and view all the answers

    What characteristic of air allows it to exhibit fluid-like behavior even though it is a gas?

    <p>Air follows the path of least resistance</p> Signup and view all the answers

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