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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
Initial speed-final speed/time
B
Initial speed x final speed
C
Time/speed
D
Final speed – initial speed/time
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
Velocity
C
Inertia
D
Momentum
4) The _________________ of an object in motion is related to how hard it is to stop the object
A
momentum
B
speed
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
speed
B
collision
C
time
D
mass
7) Which of the following is NOT accelerating?
A
A jogger moving at a constant speed
B
A car that is slowing down
C
Earth orbiting the Sun
D
A car that is speeding up
8) To calculate the average speed you must:
A
add time and distance
B
none of the above
C
Time divided by speed
D
Divide the distance by the time
9) ____ is the change in velocity (Sf - Si) divided by the time
A
acceleration
B
momentum
C
speed
D
velocity
10) Two or more forces are __________________ if they cancel each other out.
A
unbalanced
B
None of the above
C
heavy
D
balanced
*select an answer for all questions
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