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Worksheets8th grade science STAAR review 2
Total questions: 15
Worksheet time: 14mins
Name
Class
Date
1.
<--------8N 4N-------->
a)
2N
b)
12N
c)
4N
d)
32N
2.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
3.
If two forces act on an object in the same direction, the net force is the _____________
a)
the difference between the two forces
b)
the sum of the two forces
c)
Only one of the forces acts on the object
d)
DOOMSDAY!
4.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
5.
Pushing a child on a swing is easier than pushing an adult on the same swing.
a)
1st Law
b)
2nd Law
6.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
7.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
8.
Which of the following IS NOT an example of work being done?
a)
Pushing a cart in a store
b)
Shooting a basketball
c)
A stand off in tug of war
d)
Running a mile
9.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
10.
What kind of energy is in gasoline in a car tank (car is not on)?
a)
Potential
b)
Kinetic
11.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
12.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
13.
What best describes the energy conversion that occurs when you turn on a flashlight?
a)
electrical to thermal to light
b)
chemical to electrical to light
c)
nuclear to electrical to thermal
d)
kinetic to light to thermal
14.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
15.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
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