Energy Transformations Question Preview (ID: 31717)
Energy Transformations.
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Which is the best description of the energy transformation that happens in an electric stove?
a) Electricity to chemical
b) Electricity to mechanical
c) Heat to electricity
d) Electricity to heat
Which of the following best represents the transformation of chemical energy to thermal energy?
a) A log of wood burning on a camp fire
b) Electricity turning fan blades
c) Solar energy creating electricity
d) A bell ringing
Which of the following describes the energy transformation that takes place in a flashlight?
a) Solar (battery) to electrical to light and thermal (bulb)
b) Chemical (battery) to electrical to light and thermal (bulb)
c) Electrical (battery) to chemical to light and thermal (bulb)
d) Light (battery) to thermal to electrical (bulb)
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) Solar (candy bar) to Mechanical (running) to Thermal (body heat)
c) Nuclear (candy bar) to Mechanical (running) to Thermal (body heat)
d) Kinetic (candy bar) to Mechanical (running) to Thermal (body heat)
Which best represents the energy transformation that takes place in an electric fan?
a) electrical to chemical
b) electrical to light
c) electrical to mechanical
d) electrical to heat
Which best represents the energy transformation that happens when a roller coaster goes down a hill?
a) Potential at the top of the hill to kinetic at the bottom of the hill
b) Kinetic at the top of the hill to potential at the bottom of the hill
c)
d)
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)
c)
d)
What energy transformation happens in a solar panel?
a) Radiant to electrical
b) Electrical to sound
c) Kinetic to electrical
d) Thermal to radiant
What energy transformation happens in a wind turbine?
a) Sound to electrical
b) Electrical to mechanical
c) Mechanical to electrical
d) Radiant to electrical
What energy transformation happens in a battery?
a) chemical to electrical
b) light to heat
c) electrical to chemical
d) heat to chemical
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