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Uses Of Energy
Test Description: 5.6A
Instructions: Answer all questions to get your test result.
1) Which of the following forms of energy is used to power a computer?
A
Light
B
Electrical
C
Heat
D
Sound
2) Campfires are sometimes used to cook food. Which type of energy from the campfire cooks the food?
A
Light
B
Thermal
C
Sound
D
Electrical
3) Which of the following devices is designed to change mechanical energy to sound energy?
A
Candle
B
Battery
C
Flashlight
D
Guitar
4) A lamp is plugged into an outlet. When the lamp is turned on and the bulb is lit, the circuit demonstrates which of the following?
A
Sound energy changing to light energy
B
Electrical energy producing mechanical energy
C
Light energy producing sound and heat energy
D
Electrical energy changing to light energy
5) A hand generator can light a light bulb. Turning the handle of the generator causes the bulb to light up. This device changes what type of energy into what other type?
A
Mechanical to electrical
B
Thermal to mechanical
C
Electrical to sound
D
Light to thermal
6) A lamp uses electrical energy to produce what two other kinds of energy?
A
Heat and mechanical
B
Heat and mechanical
C
Heat and light
D
Mechanical and sound
7) Which form of energy allows us to see our reflection in a mirror?
A
Light
B
Electircal
C
Mechanical
D
Thermal
8) Hot-air balloons rise when a burner, positioned under the opening of the balloon, uses propane to create a blast of fire. What form of energy causes a hot-air balloon to rise into the air?
A
Mechanical
B
Electrical
C
Light
D
Thermal
9) All of the following are examples demonstrating mechanical energy EXCEPT –
A
a boy riding a bicycle
B
a girl writing with a pen
C
a fan blowing out air
D
an oven cooking food
10) Headphones get electrical energy from the device to which they are attached. The headphones change this energy into what other kind of energy?
A
Sound
B
Light
C
Mechanical
D
Thermal
11) A lamp is plugged into the wall. What form of energy does the lamp use to produce light?
A
Mechanical
B
Electrical
C
Thermal
D
Sound
12) All of the following devices produce light energy EXCEPT –
A
laser pointers
B
computer monitors
C
air conditioners
D
fluorescent lamps
13) Which is an example of how humans use sound energy?
A
Communicate with other people
B
Used to produce electrical energy
C
Allows people to see around them
D
Provide energy for refrigerators
14) A student observed that sugar in hot water dissolved more quickly than in cold water. The student was investigating the effects of what form of energy?
A
Sound
B
Electrical
C
Thermal
D
Mechanical
15) A wind up frog is a toy. If a child winds the handle, the toy frog flips over. This toy demonstrates what kind of energy?
A
Light
B
Thermal
C
Mechanical
D
Electircal
16) Food and batteries are examples of -
A
Electrical energy
B
Chemical energy
C
Mechanical energy
D
Light energy
17) Energy produced by vibration
A
Electrical
B
Sound
C
Mechanical
D
Light
18) Energy produced from moving electrons
A
Sound
B
Electrical
C
Thermal
D
Light
19) Energy produced by moving particles (heat energy)
A
Sound
B
Light
C
Thermal
D
Electrical
20) Energy that can be detected by sight
A
Thermal
B
Sound
C
Electrical
D
Light
*select an answer for all questions
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