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PHYSICAL SCIENCE - Ch. 5
Test Description: Quiz
Instructions: Answer all questions to get your test result.
1) Which is NOT a fluid ?
A
water
B
they all are fluids
C
air
D
gasoline
2) Pressure is measured in
A
Pascals
B
Watts
C
Horsepower
D
Newtons
3) Which statement about pressure is NOT true ?
A
Pressure increases as you dive deeper into the ocean
B
Pressure decreases as you climb a mountain
C
Atmospheric pressure is the weight of the air above you
D
The air pressure on you at sea level would be zero Pa
4) If these were stacked in a jar which would make up the top layer ?
A
vegetable oil
B
water
C
honey
D
air
5) Why can a huge steel battleship float ?
A
because steel is so light
B
the water is pushing up harder than the ship is pushing down
C
water and steel don't mix
D
it won't if there is a storm
6) What explains why an airplane can fly ?
A
Pascal's principle
B
Bernoulli's principle
C
Aristotle's principle
D
Archimede's principle
7) What explains how a truck can be raised up on a hydraulic lift in a garage?
A
Einstein's Theory of Relativity
B
Pascal's principle
C
Archimede's principle
D
Bernoulli's principle
8) The force that opposes the motion of an object through a fluid is a ____ force.
A
balanced
B
buoyancy
C
density
D
drag
9) Why does a helium balloon rise up into the sky?
A
the wind is blowing
B
it is full of a gas
C
helium is lighter than air
D
air is less dense than helium
10) Which characteristic determines the density of a fluid ?
A
the mass of the particles and the distance between them
B
the number of particles and the distance between them
C
the shape of the particles
D
the energy of the particles
11) Which would have the greatest pressure applied to it ?
A
a mountain climber at an altitude of 4,400m
B
a hawk flying 300m above sea level
C
a fish swimming 20m below the surface
D
a person fishing off the coast of California
*select an answer for all questions
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