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Chapter 13 Part 2
Test Description: Review
Instructions: Answer all questions to get your test result.
1) A photovoltaic converts ___________ energy
A
radiant to thermal
B
electrical to radiant
C
chemical to electrical
D
radiant to electrical
2) Most plants use a _____________ to turn a generator.
A
motor
B
phototvoltaic
C
engine
D
turbine
3) A blimp flying around over the Super Bowl has ______________ energy.
A
potential and radiant
B
kinetic and potential
C
kinetic and chemical
D
kinetic and electrical
4) _____________ is an alternative resource.
A
Natural gas
B
Coal
C
Oil
D
Wind
5) A green plant has ___________ energy.
A
electrical
B
thermal
C
chemical
D
kinetic
6) What is a simple machine that is a flat, sloped/slanted surface, or ramp??
A
wheel and axle
B
inclined plane
C
screw
D
wedge
7) What is a machine that does work with only one movement and changes the direction of a force?
A
effort machine
B
screw
C
simple machine
D
compound machine
8) The rate at which work is done is _______________.
A
pressure
B
force
C
work
D
power
9) What is a machine that is made up of two or more simple machines?
A
compound machine
B
effort machine
C
screw
D
simple machine
10) What is a simple machine that is an inclined plane wrapped around a cylinder post?
A
screw
B
wedge
C
ramp
D
lever
11) If you are standing on both feet and then stand on one foot, you have ___________ the pressure on the ground.
A
increased
B
not changed
C
decreased
D
depends on your motion
12) In a hydraulic system, the force exerted on the large piston is _____________ the force exerted on the small piston.
A
the same as
B
less than
C
greater than
D
not related to
*select an answer for all questions
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