Indiana Science Grade 7

Chapter 11: Motion and Momentum

Section 2 Self-Check Quiz-Eng.

1.
What is the term for a change in velocity?
A)average speed
B)instantaneous speed
C)acceleration
D)speed
2.
When something slows, its acceleration is __________.
A)positive
B)negative
C)instantaneous
D)constant
3.
When something accelerates then stops accelerating, what happens to the object?
A)slows
B)continues to move at a constant velocity
C)goes faster
D)stops completely
4.
An object that has the same speed but changes direction is __________.
A)slowing down
B)speeding
C)accelerating
D)displacing
5.
What are the SI units for acceleration?
A)m/s2
B)m2/s
C)s/m2
D)s2/m
6.
To find acceleration, you first subtract __________ than divide by time.
A)final speed from initial speed
B)velocity from distance
C)final time from initial time
D)initial speed from final speed
7.
When a negative acceleration is graphed, the line __________.
A)slopes upward
B)slopes downward
C)remains constant
D)goes to zero
8.
On an acceleration graph in which the line is level, the acceleration is __________.
A)negative
B)positive
C)changing
D)zero
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