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