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7.MS-PS3-2
Test Description: 7.MS-PS3-2
Instructions: Answer all questions to get your test result.
1) A compressed spring has what kind of energy before it is released?
A
stretched
B
kinetic
C
elastic
D
mechanical
2) What do all types of potential energy have in common?
A
they all require objects to fall
B
they are all also examples of kinetic energy
C
they all involve energy that is stored
D
none of them can be calculated
3) Which of the following would most likely have the most gravitational potential energy?
A
a car parked on top of a hill
B
a car parked on the side of the road
C
a car racing down a highway
D
a car driving very slowly in a traffic jam
4) Which of the following would most likely have the most gravitational potential energy?
A
a bouncy ball on the edge of a shelf
B
a pencil on the edge of a shelf
C
a textbook on the edge of a shelf
D
a feather on the edge of a shelf
5) Which of the following is NOT an example of something with chemical potential energy?
A
food
B
a stretched rubber band
C
gasoline
D
batteries
6) A roller coaster car goes down a hill. What happens to the car's potential energy?
A
we cannot know unless we know its speed
B
it remains the same
C
it decreases
D
it increases
7) Which of the following would NOT increase the potential energy in a rubber band?
A
push it across the floor
B
stretch it
C
lift it off the ground
D
cut it in half
8) In order to calculate gravitational potential energy, what do you need to know?
A
speed and drop height
B
mass or weight and drop height
C
mass and speed
D
distance and time
9) If you want to increase the energy between two magnets, what should you do?
A
move them further apart
B
bring them closer together
C
change the shape of the magnets
D
raise them off the ground
10) In order release the energy stored in chemical bonds, what must happen?
A
the bonds must remain unchanged
B
the bonds must be strengthened
C
the bonds must be broken
D
the bonds must be formed
*select an answer for all questions
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