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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
Isaac Newton
C
Temple Grandin
D
Albert Einstein
3) What force acts against gravity?
A
air pressure
B
sliding friction
C
rolling friction
D
magnetism
4) As gravitational force increases_____________ increases.
A
velocity
B
acceleration
C
speed
D
mass
5) As gravitational force decreases___________________ descreases.
A
distance
B
velocity
C
mass
D
acceleration
6) Which is a measure of gravitational force on an object?
A
Weight
B
mass
C
distance
D
speed
7) Mass is:
A
measured in Newtons
B
how many atoms are in a molecule.
C
the amount of matter in an object.
D
weight.
8) Weight is measured in:
A
gravity
B
kilograms
C
Newtons
D
meters per second
9) Mass is NOT measured in:
A
miligrams
B
Newtons
C
kilograms
D
grams
10) What did Newton find to be needed to change the motion of an object?
A
direction
B
speed
C
balanced forces
D
unbalanced forces
*select an answer for all questions
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