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Force And Motion
Test Description: 5th grade PASS Review
Instructions: Answer all questions to get your test result.
1) What happens to an object in motion that is acted on by unbalanced forces?
A
it stops moving
B
it accelerates
C
it gets hot
D
it changes direction
2) Which measurement involves both speed and direction?
A
acceleration
B
momentum
C
velocity
D
inertia
3) Which best describes how mass affects the way a baseball and a bowling ball move?
A
The baseball has less mass, which gives it less momentum
B
The bowling ball has greater mass, so it requires greater force to overcome inertia
C
The baseball is struck bu an object of greater mass, which gives it greater acceleration
D
The bowling ball has greater mass, so it encounters less friction.
4) Which forces tend to slow an object in motion?
A
drag and momentum
B
momentum and gravity
C
gravity and acceleration
D
friction and drag
5) Which best describes two forces that act on an object in such a way that the object's motion is changed?
A
unbalanced force
B
balanced force
C
reaction forces
D
action forces
6) Mrs. Sheopard's fifth grade science class is learning how to calculate the acceleration of an object moving in a straight line. Which of the following dependent variables must be considered?
A
the object's ending speed, speed when traveling, and distance traveled
B
the object's starting speed, ending speed, and time in motion
C
the object's size and color
D
the object's inertia and mass
7) Which of the following best describes how magnetism works?
A
Electrons flow through a copper wire
B
Elternating current completes a circuit
C
Moving electrons generate charged forces
D
Sudden shifts in mass create motion
8) A soccer ball is lying still in the grass. Which of the following observations is correct?
A
The acceleration is negative
B
The forces acting on it are balanced
C
It's velocity is positive
D
It is not affected by gravity
9) Roberto wants his toy car to go down a ramp more slowly. How can he slow down the car?
A
He can add weight to the car
B
He can make the surface of the ramp smoother
C
He can increase the incline of the ramp
D
He can lubricate the wheels of the car
10) Which of the following best describes accelerataion?
A
Acceleration measures the rate of change of velocity
B
Acceleration referes to an increase in speed over time
C
Acceleration can be red and green
D
Acceleration includes a measure of direction
*select an answer for all questions
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