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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
A rubber band waiting to be released
B
Air blowing out a balloon
C
A dog running
D
A wheel rolling down the street
3) Which of the following is Potential Energy
A
Radiant Energy
B
Sound energy
C
Chemical energy
D
Mechanical energy
4) When will the ball have the greatest kinetic energy
A
Right before it hits the ground for the first time
B
After it bounces
C
As its falling
D
While it's being held
5) When does the example change from potential to kinetic
A
Dropping a ball
B
Throwing an egg
C
Rolling to a stop at a stop light
D
An archer holding a bow, then releasing the arrow
6) A mass is lifted off the ground 5m. What happens to potential energy?
A
The kinetic energy decreases
B
The potential energy increases
C
The kinetic energy increases
D
The potential energy decreases
7) Which of the following is an example of kinetic energy
A
A book sitting on a shelf
B
A cup resting on the table
C
A book being held
D
A bird flying off a branch
8) Which form best represents the energy inside a Hershey's chocolate bar?
A
Radiant
B
Sound
C
Nuclear
D
Chemical
9) Using a rubber band is which form of energy
A
Mechanical
B
Sound
C
Elastic
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 increases
C
The chemical energy stays the same
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
Moves up
B
Passengers are removed
C
Moves down
D
Stops
13) What two things affect KINETIC energy
A
speed and weight
B
mass and speed
C
mass and height
D
speed and height
14) What two things affect POTENTIAL energy?
A
Mass and height
B
Height and weight
C
Height and speed
D
Mass and speed
15) Which statement about the Law of Conservation of Energy is correct
A
Energy cannot be transformed into an object
B
Energy can neither be created nor destroyed
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
Radiant to Electrical to Chemical
B
Mechanical to Electrical toChemical
C
Chemical to Electrical to Radiant
D
Chemical to Electrical to Nuclear
17) Which device uses thermal energy
A
hair dryer
B
cell phone
C
candle
D
lamp
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
6 g/cm3
B
512 g/cm3
C
212 g/cm3
D
8 g/cm3
20) Which of the following are semiconductors?
A
Nonmetals
B
Metalloids
C
Metals
D
Semiconductors aren't a thing
*select an answer for all questions
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