Physics Worksheet - Kinetic And Potential Energy Page 4
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1
2
3
4Identify the energy transformation occurring in this energy chain
Name
Date
Class
Lesson Quiz A
LESSON 2
Energy Transformations
Multiple Choice
Directions: On the line before each question or statement, write the letter of the correct answer.
1.
An energy
occurs when energy changes from one type to another type.
A.
increase
B.
conversion
C.
transformation
2.
What happens to potential energy when a ball is tossed into the air?
A.
It never changes.
B.
It increases as the ball approaches its highest point.
C.
It decreases as the ball approaches its highest point.
3.
According to the law of conservation of energy, energy cannot
A.
be created or destroyed.
B.
transferred from one region to another.
C.
transformed from one form into another.
4.
When a ball is thrown into the air, its kinetic energy is lowest
A.
at its highest point.
B.
at the moment it is released.
C.
as it begins to fall back to the ground.
5.
What type of energy transformation occurs during photosynthesis?
A.
Radiant energy becomes chemical energy.
B.
Thermal energy becomes chemical energy.
C.
Nuclear energy becomes mechanical energy.
Matching
Directions: On the line before each definition, write the letter of the term that matches it correctly. Each term is
used only once.
6.
A.
transforms gravitational potential energy into
friction
kinetic energy
B.
lubricant
7.
transforms mechanical energy into thermal
C.
electric heater
energy
D.
cell phone
8.
transforms radiant energy into sound energy
E.
a marble falling off a
table
9.
force that reduces kinetic energy and produces
heat
10.
reduces friction’s creation of thermal energy
44
Energy and Energy Transformations
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