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5 Written Questions

5 Matching Questions

  1. What is air pressure?
  2. What does Pascal's Principle state?
  3. What does Archimedes' principle state?
  4. How do hydraulic systems take advantage of Pascal's principle?
  5. How does a submarine dive?
  1. a that the buoyant force that is acting on an object is equal to the weight of the water that is displaced
  2. b my multiplying the force over a greater area.
  3. c when a force applied to a confined fluid the change is pressure is equally transmitted through the fluid.
  4. d the earth's atmosphere is constantly applying pressure (example)
  5. e By increasing its density with water and overcoming the buoyant force by adding more weight and not changing the volume and therefore not displacing anymore water to increase the buoyant force.

5 Multiple Choice Questions

  1. the wind on top of the chimney creates a lower pressure at the top, on the bottom is a greater pressure which forces the smoke and heat to rise
  2. fire truck, machines that raise cars
  3. Pascals
  4. Newtons
  5. chimneys, planes (flying disks), and atomizers

5 True/False Questions

  1. What is buoyancy?The amount of force exerted on a surface


  2. How could you measure pressure?with a barometer


  3. What is the formula for density?force/area


  4. What is pressure?The amount of force exerted on a surface


  5. What is a fluid?a material that can easily flow


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