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Eighth Grade (Grade 8) Fluid Mechanics Questions

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Grade 8 Fluid Mechanics
According to Boyle's law, if the pressure placed upon a gas is increased, then                              .
  1. the volume will increase
  2. the volume will decrease
  3. the temperature will increase
  4. the temperature will decrease
Grade 8 Fluid Mechanics
Bernoulli's principle states that                                                              .
  1. pressure is transmitted equally through a fluid
  2. pressure increases as temperature decreases
  3. buoyant force equals weight of fluid displaced
  4. pressure in a fluid decreases as speed of the fluid increases
Grade 8 Fluid Mechanics
A liquid with a low viscosity, or thickness,                     .
  1. has a definite shape
  2. flows quickly
  3. flows slowly
  4. fills its container
Grade 8 Fluid Mechanics
What are the two factors that affect pressure in a fluid?
  1. volume and density
  2. weight and temperature
  3. depth and density
  4. none of the above
Grade 8 Fluid Mechanics
As the gas in a rigid container is heated, its                   .
  1. pressure increases
  2. volume increases
  3. pressure decreases
  4. volume decreases
Grade 8 Fluid Mechanics
What is the SI unit for measuring pressure?
  1. Newton
  2. PSI
  3. Pascal
  4. Ampere
Grade 8 Fluid Mechanics
Which property of a liquid describes its resistance to flow?
  1. plasticity
  2. viscosity
  3. elasticity
  4. incompressibility
Grade 8 Fluid Mechanics
Draw the Graph for Charles's Law.
Grade 8 Fluid Mechanics
What two main factors affect pressure in a fluid?
  1. Volume and Density
  2. Volume and Depth
  3. Depth and Density
  4. Volume and Temperature
Grade 8 Fluid Mechanics
All of the following are measurements used when working with a gas except
  1. area.
  2. volume.
  3. temperature.
  4. pressure.
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