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Ch 3
Test Description: Ch 3 PS
Instructions: Answer all questions to get your test result.
1) The engine of a car is left running for a long time
A
energy is released as gasoline evaporates
B
energy is created by the burning of San Jose
C
energy is transferred from burning gasoline
D
energy is created by the burning gasoline
2) A substance changes from a liquid to a gas during evaporation because
A
energy is released
B
energy is absorbed
C
energy is lost
D
energy is created
3) What happens to the particles of a substance when it condenses
A
particles stick together and stop moving
B
particles speed up and spread out
C
particles slow down and clump together
D
particles vibrate as they lose energy
4) The notion that an object floats if the buoyant force on the object is equal to the objects weight was
A
Boyle
B
Archimedes
C
Bernoulli
D
Pascal
5) The ability of an object to float on a fluid is influenced by the
A
density of the fluid
B
buoyant force of a fluid
C
all of the above
D
density of an object
6) Force divided by the area over which the force is exerted is the calculation for
A
density
B
volume
C
pressure
D
viscosity
7) A measure of the resistance to flow of a fluid is
A
mass
B
viscosity
C
density
D
volume
8) As the pressure of a moving liquid increases, its speed
A
increases
B
decreases
C
varies
D
stays the same
9) Bernoulli's principle describes the property of a
A
object submerged in a fluid
B
fluid in motion
C
fluid at rest
D
object floating in a fluid
10) Boyles Law relates the pressure of a gas to its
A
temperature
B
composition
C
volume
D
container
*select an answer for all questions
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