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Ch. 14-Part 2
Test Description: Work and Simple Machines
Instructions: Answer all questions to get your test result.
1) In a hydraulic system, the force exerted on the large piston is ____________ the force exerted on the small piston.
A
not related to
B
less than
C
the same as
D
greater than
2) The form of energy in fossil fuels is _______________ energy.
A
radiant
B
nuclear
C
chemical
D
electrical
3) _______________ is a fossil fuel.
A
Gasoline
B
Water
C
Electricity
D
Nuclear Fuel
4) Most plants use a _____________ to turn a generator.
A
engine
B
photovoltaic
C
motor
D
turbine
5) A limiting factor for using nuclear energy is the ______________ produced.
A
heat
B
pollution
C
waste
D
flooding
6) When you see a change in the environment, you know that _____________ has been transferred.
A
energy
B
motion
C
force
D
heat
7) A photovoltaic converts ____________ energy.
A
radiant to electrical
B
radiant to thermal
C
chemical to electrical
D
electrical to radiant
8) An inclined plane with one or two sloping sides forms a machine called a ____________.
A
lever
B
ramp
C
pulley
D
wedge
9) The rate at which work is done is called _____________.
A
effort time
B
force
C
efficiency
D
power
10) 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
11) A device that does work work with only one movement and changes the size or direction of a force is a (n) __________________.
A
compound machine
B
effort machine
C
screw
D
simple
12) _______________ is an alternative resource.
A
Natural gas
B
Coal
C
Oil
D
Wind
13) A burning fire produces _______________ energy.
A
electrical and thermal
B
kinetic and potential
C
radiant and thermal
D
chemical and radiant
14) In a nuclear power plant, nuclear energy is first changed to _______________ energy.
A
chemical
B
thermal
C
electrical
D
radiant
15) An inclined plane wrapped around a cylinder post is a _______________.
A
screw
B
lever
C
ramp
D
wedge
16) In every energy transformation, some energy is always lost as _____ energy.
A
radiant
B
thermal
C
electrical
D
chemcial
*select an answer for all questions
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