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Energy Transformations
Test Description: Energy Transformations
Instructions: Answer all questions to get your test result.
1) Which is the best description of the energy transformation that happens in an electric stove?
A
Heat to electricity
B
Electricity to heat
C
Electricity to mechanical
D
Electricity to chemical
2) Which of the following best represents the transformation of chemical energy to thermal energy?
A
Electricity turning fan blades
B
Solar energy creating electricity
C
A bell ringing
D
A log of wood burning on a camp fire
3) Which of the following describes the energy transformation that takes place in a flashlight?
A
Electrical (battery) to chemical to light and thermal (bulb)
B
Chemical (battery) to electrical to light and thermal (bulb)
C
Light (battery) to thermal to electrical (bulb)
D
Solar (battery) to electrical to light and thermal (bulb)
4) Which of these best represents the energy transformation that takes place when a runner eats a candy bar and then goes running?
A
Chemical (candy bar) to Mechanical (running ) to Thermal (body heat)
B
Nuclear (candy bar) to Mechanical (running) to Thermal (body heat)
C
Kinetic (candy bar) to Mechanical (running) to Thermal (body heat)
D
Solar (candy bar) to Mechanical (running) to Thermal (body heat)
5) Which best represents the energy transformation that takes place in an electric fan?
A
electrical to light
B
electrical to chemical
C
electrical to heat
D
electrical to mechanical
6) Which best represents the energy transformation that happens when a roller coaster goes down a hill?
A
Kinetic at the top of the hill to potential at the bottom of the hill
B
Potential at the top of the hill to kinetic at the bottom of the hill
7) Which best represents the energy transformation that takes place in pendulum?
A
Potential (at top of the swing) to kinetic (at the bottom of the swing) and back to potential (at top of swing)
B
Kinetic (at top of the swing) to potential (at the bottom of the swing) and back to kinetic (at top of swing)
8) What energy transformation happens in a solar panel?
A
Kinetic to electrical
B
Thermal to radiant
C
Radiant to electrical
D
Electrical to sound
9) What energy transformation happens in a wind turbine?
A
Electrical to mechanical
B
Mechanical to electrical
C
Sound to electrical
D
Radiant to electrical
10) What energy transformation happens in a battery?
A
chemical to electrical
B
electrical to chemical
C
heat to chemical
D
light to heat
*select an answer for all questions
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