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Energy Review
Test Description: Test your understanding of the different forms of energy.
Instructions: Answer all questions to get your test result.
1) What tools would you need to use to find out how the mass of two boxes affects the distance they will slide down a ramp?
A
scale and a string
B
scale and a ruler
C
thermometer and ruler
D
stopwatch and a ruler
2) Everything that happens in the universe, including sprouting seeds, involves energy. An unsprouted seed in the in the ground is an example of __________ energy.
A
none of the above
B
potential
C
both A & B
D
kinetic energy
3) When a seed sprouts, it converts stored chemical energy into _____________.
A
mechanical energy
B
photosynthesis
C
thermal energy
D
another form of chemical energy
4) Friction between a car's tires and the road releases ______________ energy.
A
thermal
B
nuclear
C
electric
D
potential
5) Using natural gas or propane to propel an automobile is an example of converting ___________ energy to ____________energy.
A
Chemical / mechanical
B
Radiant/mechanical
C
Mechanical/chemical
D
Electrical/chemical
6) The total amount of energy in a system remains constant, although energy can be _________________.
A
All of the above
B
Converted into unwanted energy or waste energy on its way to doing work
C
Transferred from one object to another
D
Changed from one form to another
7) Which of the following represents the energy pathway in a toaster?
A
Electrical energy -> mechanical energy -> thermal (radiant) energy
B
Electrical energy -> mechanical energy -> chemical energy
C
Chemical energy -> mechanical energy -> thermal (radiant) energy
D
Thermal energy -> mechanical energy -> thermal (radiant) energy
8) Not all the energy used by the toaster went into toasting the bread. What happens to the rest of the energy?
A
The excess thermal energy is transferred to the surrounding air.
B
The excess energy was lost due to friction.
C
The excess energy was used to pop the toast back out of the toaster.
D
The coils in the toaster absorb the excess heat.
9) Energy is best defined as
A
the ability to do work
B
the forces needed to move an object
C
mass X distance
D
the time which it takes to move an object
10) The gasoline that is in the tank of your vehicle is an example of
A
chemical energy
B
electrical energy
C
thermal energy
D
mechanical energy
*select an answer for all questions
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