WorksheetsEnergy Transformation
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Which type of energy transformation occurs when a flashlight shines?
a)
chemical → thermal → electrical
b)
chemical → electrical → light
c)
thermal → chemical → light
d)
chemical → electrical → chemical
2.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical → thermal
b)
light → chemical
c)
thermal → light
d)
chemical → electrical
3.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
4.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
5.
Energy is stored in the ___ of an atom.
a)
proton
b)
neutron
c)
electron cloud
d)
nucleus
6.
What does the Law of Conservation of Energy state?
a)
Energy cannot be created or destroyed
b)
Nothing can exchange energy
c)
Energy will increase over time.
d)
Energy will decrease over time.
7.
Hot things have ____________ thermal energy than cold things
a)
more
b)
less
c)
same
d)
potato
8.
As temperature increases, molecules _____________
a)
move slower
b)
move the same
c)
move faster
d)
stop moving
9.
According to the law of conservation of energy, the total amount of energy in the universe is
a)
increasing
b)
decreasing
c)
constant
10.
The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?
a)
mechanical to heat
b)
sound to mechanical
c)
potential to kinetic
d)
kinetic to potential
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