Ch. 14

Winston Schultz
Quiz by Winston Schultz, updated more than 1 year ago
Winston Schultz
Created by Winston Schultz about 5 years ago
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Description

Gases, Atmospheric pressure, Boyle's Law, Buoyancy in air, Bernoulli's Principle, & Plasma.

Resource summary

Question 1

Question
Atmospheric pressure is caused by the
Answer
  • weight of the atmosphere.
  • temperature of the atmosphere.
  • solar energy on the atmosphere.
  • density of the atmosphere.

Question 2

Question
In drinking soda or water through a straw, we make use of
Answer
  • Bernoulli's principle.
  • capillary action.
  • atmospheric pressure.
  • surface tension.
  • none of the above

Question 3

Question
Marshmallows in a vacuum (no atmospheric pressure) become
Answer
  • smaller.
  • larger.
  • a hollow shell.
  • flat.
  • none of the above

Question 4

Question
When a gas in a container is squeezed to half its volume with no change in temperature, the gas pressure
Answer
  • remains the same.
  • doubles.
  • quadruples.
  • halves.

Question 5

Question
When a gas in a container is squeezed to half its volume, its density
Answer
  • remains the same.
  • halves.
  • doubles.
  • quadruples.

Question 6

Question
When boarding an airplane you bring a bag of chips. While in flight the bag puffs up, because
Answer
  • suction is occurring.
  • air pressure is affected by the Bernoulli principle.
  • air pressure in the air-tight bag is greater than cabin air pressure.
  • all the above
  • none of the above

Question 7

Question
A bubble of air released from the bottom of a lake
Answer
  • becomes smaller as it rises.
  • alternately expands and contracts as it rises.
  • rises to the top at constant volume.
  • becomes larger as it rises.
  • none of the above

Question 8

Question
Compared with air pressure on the outside, air pressure inside an inflated stretched balloon is
Answer
  • greater.
  • less.
  • equal.
  • need more information

Question 9

Question
As a high-altitude balloon rises higher into the atmosphere, it undergoes a decrease in
Answer
  • volume.
  • weight.
  • mass.
  • density.
  • none of the above

Question 10

Question
As a fluid gains speed, its internal pressure
Answer
  • increases.
  • decreases.
  • remains unchanged

Question 11

Question
An airplane flight best illustrates
Answer
  • Archimede's Principle.
  • Bernoulli's Principle.
  • Boyle's Law.
  • Pascal's Principle.

Question 12

Question
When water is turned on in a shower, the shower curtain moves toward the water spray. This partly involves
Answer
  • capillary action.
  • pressure changes in moving fluids.
  • surface tension.
  • none of the above.

Question 13

Question
Wind blowing over the top of a hill
Answer
  • does not affect atmospheric pressure there.
  • increases atmospheric pressure there.
  • decreases atmospheric pressure there.

Question 14

Question
The tarp covering on a trailer or truck puffs upward for fast-moving vehicles, which illustrates
Answer
  • Archimede's Principle.
  • the principle of continuity.
  • Bernoulli's Principle.
  • Pascals's Principle.

Question 15

Question
A spinning tossed baseball veers off course in the direction of
Answer
  • non-crowded streamlines
  • reduced air pressure on the ball
  • increased air pressure on the ball

Question 16

Question
The Bernoulli's effect causes fast-moving vans on the highway to be drawn together when
Answer
  • they experience lift.
  • air speeds up in passing between them.
  • air between them stagnates.
  • all of the above.

Question 17

Question
When you blow air between a pair of closely-spaced pin-pong balls suspended by strings, the balls swing
Answer
  • toward each other
  • away from the stream ,but not necessarily away from each other.
  • away from each other
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