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Types Of Energy
Test Description: Questions about types of energy, transformations of energy, and potential vs. kinetic energy.
Instructions: Answer all questions to get your test result.
1) Which of the following is true of every energy transformation?
A
Matter is formed.
B
Energy is conserved.
C
Energy is destroyed.
D
Energy is created.
2) An engine converts 95% of energy input into useful work output. What happens to the remaining 5% of the energy?
A
It is converted to heat or some other form of unusable energy.
B
It is destroyed in the process of converting from one type of energy to another.
C
It is stored in the engine for later use.
D
It is lost along with the mass of the fuel.
3) What happens to the kinetic energy and gravitational potential energy of a ball during free fall?
A
Gravitational potential energy increases and kinetic energy decreases.
B
Gravitational potential energy and kinetic energy both decrease.
C
Gravitational potential energy and kinetic energy both increase.
D
Gravitational potential energy decreases and kinetic energy increases.
4) Renard uses a lamp to read. What energy transformation takes place in the lamp to help him read?
A
Electrical to nuclear
B
Thermal to chemical
C
Chemical to nuclear
D
Electrical to electromagnetic
5) Which of the following types of energy is NOT at work when a flashlight shines?
A
Mechanical
B
Chemical
C
Light
D
Heat
6) Beating a drum represents what kind of energy conversion?
A
Chemical to electrical
B
Electrical to mechanical
C
Sound to heat
D
Mechanical to sound
7) Plants transform some of the electromagnetic energy from the sun into
A
chemical energy.
B
mechanical energy.
C
nuclear energy.
D
solar energy.
8) What transformation of energy takes place in your body to allow you to wave your arm?
A
Chemical to mechanical
B
Electrical to chemical
C
Chemical to thermal
D
Mechanical to chemical
9) What kind of energy is stored in the bond of molecules?
A
Thermal
B
Nuclear
C
Mechanical
D
Chemical
10) Which of the following is an example of electrical energy being converted to light energy?
A
Water falling over a dam
B
Ringing a doorbell
C
Striking a match
D
Turning on a computer monitor
*select an answer for all questions
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