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Grade 7 Midterm Review B
Test Description: Science Midterm Review
Instructions: Answer all questions to get your test result.
1) Acceleration can by calculated by:
A
Final speed – initial speed/time
B
Initial speed x final speed
C
Initial speed-final speed/time
D
Time/speed
2) Acceleration occurs whenever an object:
A
All of the above
B
Speeds Up
C
Changes direction
D
Slows Down
3) _______________is the tendency of an object to resist a change in motion:
A
Force
B
Momentum
C
Velocity
D
Inertia
4) The _________________ of an object in motion is related to how hard it is to stop the object
A
speed
B
momentum
C
velocity
D
direction
5) Momentum can be calculated by using the following equation:
A
P= M X V
B
P= M + V
C
P=M/V
D
P=M-V
6) Momentum is transferred from one object to another in:
A
collision
B
time
C
speed
D
mass
7) Which of the following is NOT accelerating?
A
A car that is slowing down
B
A car that is speeding up
C
Earth orbiting the Sun
D
A jogger moving at a constant speed
8) To calculate the average speed you must:
A
none of the above
B
Divide the distance by the time
C
Time divided by speed
D
add time and distance
9) ____ is the change in velocity (Sf - Si) divided by the time
A
speed
B
velocity
C
momentum
D
acceleration
10) Two or more forces are __________________ if they cancel each other out.
A
balanced
B
unbalanced
C
None of the above
D
heavy
*select an answer for all questions
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