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