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7H And 8R Physics - Energy, Forces And Motion
Test Description: 8th Grade Physics Review Questions Energy Forces and Motion
Instructions: Answer all questions to get your test result.
1) The ability to do work is known as....
A
Force
B
Work
C
Energy
D
Motion
2) A push or a pull is known as ...
A
motion
B
a force
C
energy
D
work
3) Stored energy is called...
A
mechanical
B
potential
C
kinetic
D
electromagnetic
4) Which of the following is NOT a form of potential energy
A
A rock sitting on the edge of a cliff
B
A ball flying through the air
C
A coiled spring
D
A stretched rubber band
5) Energy cannot be created or destroyed only changed from one form to another. This idea is known as the....
A
Energy Pyramid
B
Law of Conservation of Energy
C
Newton's Law
D
Law of Conservation of Mass
6) When energy is converted from one form to another some energy is usually converted into _______ because of friction
A
light
B
sound
C
gamma rays
D
heat
7) What can you calculate If you know the distance traveled and the time it took to travel that distance
A
Acceleration
B
Energy
C
Speed
8) An object at rest stays at rest and an object in motion stays in motion is a part of.....
A
Newton's Third Law of Motion
B
Newton's Second Law of Motion
C
Newton's First Law of Motion
9) Force is equal to Mass times acceleration is part of .....
A
Newton's Third Law of Motion
B
Newton's Second Law of Motion
C
Newton's First Law of Motion
10) For every force there is an equal and opposite force is part of....
A
Newton's First Law of Motion
B
Newton's Third Law of Motion
C
Newton's Second Law of Motion
11) As a roller coaster goes down a hill _________ energy is converted to ____________energy
A
kinetic, potential
B
kinetic, nuclear
C
potential, electrical
D
potential, kinetic
12) All the forces acting on an object make up the.....
A
jedi force
B
total force
C
Net force
13) Which of the following is considered acceleration ?
A
slowing down
B
all of the above
C
speeding up
D
changing direction
14) The force that air exerts on moving objects is called...
A
air resistance
B
air pressure
C
wind
15) Which of the following would experience the largest acceleration ?
A
A golf ball hit with a 100 Newton force
B
A golf ball hit with a 10 Newton force
C
A bowling ball hit with a 100 Newton force
D
A bowling ball hit with a 10 Newton force
16) A rocket ship launching would be an example of......
A
Newton's 2nd Law
B
Newton's 3rd Law
C
Newton's 1st Law
17) When a car suddenyl stops and your body is thrown forward, that is an example of.....
A
Newton's 2nd law
B
Newton's 3rd Law
C
Newton's 1st law
*select an answer for all questions
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