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