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Defining Energy
Test Description: Potential and Kinetic Energy
Instructions: Answer all questions to get your test result.
1) What happens to kinetic energy as an object falls?
A
Potential energy decreases
B
Potential energy increases
C
Kinetic energy decreases
D
Kinetic energy increases
2) Which is an example of potential energy
A
Air blowing out a balloon
B
A dog running
C
A rubber band waiting to be released
D
A wheel rolling down the street
3) Which of the following is Potential Energy
A
Mechanical energy
B
Radiant Energy
C
Sound energy
D
Chemical energy
4) When will the ball have the greatest kinetic energy
A
While it's being held
B
Right before it hits the ground for the first time
C
After it bounces
D
As its falling
5) When does the example change from potential to kinetic
A
Throwing an egg
B
Rolling to a stop at a stop light
C
An archer holding a bow, then releasing the arrow
D
Dropping a ball
6) A mass is lifted off the ground 5m. What happens to potential energy?
A
The potential energy decreases
B
The kinetic energy increases
C
The kinetic energy decreases
D
The potential energy increases
7) Which of the following is an example of kinetic energy
A
A book sitting on a shelf
B
A book being held
C
A cup resting on the table
D
A bird flying off a branch
8) Which form best represents the energy inside a Hershey's chocolate bar?
A
Radiant
B
Chemical
C
Nuclear
D
Sound
9) Using a rubber band is which form of energy
A
Elastic
B
Mechanical
C
Sound
D
Nuclear
10) A student charges her phone battery for 30 minutes. What happens to the chemical energy of the battery?
A
The phone is going to explode
B
The chemical energy stays the same
C
The chemical energy increases
D
The chemical energy decreases
11) Mechanical energy belongs in
A
Kinetic
B
Potential
12) An elevator is increasing it's potential energy when it
A
Passengers are removed
B
Moves down
C
Moves up
D
Stops
13) What two things affect KINETIC energy
A
speed and weight
B
speed and height
C
mass and height
D
mass and speed
14) What two things affect POTENTIAL energy?
A
Mass and height
B
Height and speed
C
Mass and speed
D
Height and weight
15) Which statement about the Law of Conservation of Energy is correct
A
Energy can neither be created nor destroyed
B
Energy cannot be transformed into an object
C
Some energy disappears when it changes forms
D
Total amount of energy on Earth changes from year to year
16) What is the correct energy transformation for a flashlight
A
Chemical to Electrical to Nuclear
B
Mechanical to Electrical toChemical
C
Chemical to Electrical to Radiant
D
Radiant to Electrical to Chemical
17) Which device uses thermal energy
A
hair dryer
B
lamp
C
cell phone
D
candle
18) Which is a property of a non metal
A
Ductile
B
Brittle
C
Malleable
D
Conducts electricity
19) What is the density of an object with a mass of 64 g and a volume of 8cm3?
A
8 g/cm3
B
212 g/cm3
C
512 g/cm3
D
6 g/cm3
20) Which of the following are semiconductors?
A
Metals
B
Semiconductors aren't a thing
C
Nonmetals
D
Metalloids
*select an answer for all questions
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