Part A Modified True/False
Indicate whether the sentence or statement is true or
false. If false, change the identified word or phrase to make the sentence or statement
true.
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1.
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Buoyant force acts on objects immersed in
air the same way it acts on objects immersed in a fluid. ____________________
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2.
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Aerodynamics refers to the motion of
liquids. ____________________
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Part B Matching
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Match each of these words to their correct description. a. | turbulent flow | c. | viscosity | b. | drag | d. | viscometer |
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3.
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a broken or choppy movement of water usually caused by rapids, eddies, or
whirlpools
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4.
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the resistance of a fluid to flowing and movement
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5.
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an instrument that measures viscosity
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6.
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a force that acts to slow a body moving through a liquid
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Part C Multiple Choice
Identify
the letter of the choice that best completes the statement or answers the question.
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7.
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Water moving slowly down a river with smooth, clay
banks is an example of which kind of flow?
a. | drag | c. | turbulent | b. | erosional | d. | laminar |
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8.
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Fluids can be described using which of the
following properties?
a. | viscosity | c. | density | b. | buoyancy | d. | all of the above |
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9.
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Objects sometimes rise when placed in a fluid
because they weigh less than the fluid. This is called
a. | negative buoyancy | c. | positive buoyancy | b. | neutral
buoyancy | d. | pneumatic flow |
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10.
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When density is held constant, what type of a relationship exists between
temperature and pressure?
a. | direct | c. | exponential | b. | indirect | d. | no relationship |
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11.
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A can of pop is taken from the fridge and left on the kitchen counter. Beads of
water form on the outside of the can. This is an example of
a. | sublimation | c. | convection | b. | condensation | d. | solidification |
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12.
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A fluid with high viscosity also has
a. | low cohesion between particles | c. | high cohesion between
particles | b. | no cohesion between particles | d. | no resistance to
flow |
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Part D Short Answer
Use sentences to answer the following
questions.
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13.
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Explain how an airplane wing allows an airplane to fly.
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14.
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Explain how the resistance to flow of a fluid is related to the attraction among
particles of the fluid.
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15.
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Explain why fire alarms are installed in the ceiling of rooms.
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16.
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Explaining what is meant by mass-to-volume ratio.
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17.
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An unknown solid has a volume of  . Its density is known to be  .
Calculate the mass of the liquid.
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18.
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Define the term flow rate.
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