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Gravity
Test Description: North Carolina 7th Grade Science
Instructions: Answer all questions to get your test result.
1) What is the rate of gravity?
A
9.8 kilometers per hour
B
12 miles per hour
C
9.8 meters per second
D
90 miles per hour
2) Which scientist made the connection with a falling apple being an unbalanced force?
A
Marie Curie
B
Temple Grandin
C
Isaac Newton
D
Albert Einstein
3) What force acts against gravity?
A
magnetism
B
rolling friction
C
sliding friction
D
air pressure
4) As gravitational force increases_____________ increases.
A
acceleration
B
velocity
C
mass
D
speed
5) As gravitational force decreases___________________ descreases.
A
velocity
B
distance
C
mass
D
acceleration
6) Which is a measure of gravitational force on an object?
A
mass
B
distance
C
speed
D
Weight
7) Mass is:
A
the amount of matter in an object.
B
how many atoms are in a molecule.
C
weight.
D
measured in Newtons
8) Weight is measured in:
A
meters per second
B
Newtons
C
kilograms
D
gravity
9) Mass is NOT measured in:
A
grams
B
kilograms
C
miligrams
D
Newtons
10) What did Newton find to be needed to change the motion of an object?
A
balanced forces
B
unbalanced forces
C
speed
D
direction
*select an answer for all questions
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