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Physical Science - Chapter 9
Test Description: Energy and Energy Resources
Instructions: Answer all questions to get your test result.
1) When a bat hits a baseball, what is transferred from the bat to the ball?
A
Energy
B
Electrical energy
C
Chemical energy
D
Velocity
2) As a baseball flies through the air after being hit, which type of energy does it have?
A
Potential energy
B
Mechanical energy
C
Kinetic energy
D
Chemical energy
3) What is a force that opposes motion between two surfaces that are touching?
A
Nuclear fission
B
Friction
C
Kinetic energy
D
Electrical energy
4) What happens when electrical energy is changed to thermal energy?
A
An energy conversion takes place
B
An energy change takes place.
C
An electrical conversion takes place
D
A force change takes place
5) Which of the following is an example of a conversion from light energy to chemical energy?
A
Making toast in a toaster
B
An apple growing on an apple tree
C
Turning on a stove to heat dinner
D
Turning on a lamp
6) When is the potential energy the greatest in a roller coaster?
A
At the bottom of the first hill
B
At the top of the first hill
C
At the top of the second hill
D
At the bottom of the second hill
7) Energy conversions for a falling object give you the same final mechanical energy and initial energy. Which law explains this?
A
Law of conservation of energy
B
Law of energy changes
C
Law of potential energy
D
Law of power and energy
8) Any time an energy conversion takes place, some of the original energy is converted to which one of the following?
A
Sound energy
B
Potential energy
C
Thermal energy
D
Light energy
9) Which one of the following best describes fossil fuels?
A
Kinetic resources
B
Renewable resources
C
Nonrenewable resources
D
Fossil resources
10) At which point(s) does a pendulum swinging 360 degrees have the most potential energy?
A
Top
B
Bottom
C
Right
D
Left
*select an answer for all questions
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