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Name: ______________________
Date: ______________
Pre-Test: Objects in Motion Unit
A. Circle the correct answer. Pick the one you think applies the most but don’t
Christmas Tree it! 
1) What does gravity affect?
a. The weight of an object.
b. The color that we see an object as being.
c. How tall an object is.
d. Everything, everywhere.
e. None of the above.
2) Newton’s 1st Law of Motion states
a. That people should do unto others as they would have people do unto them.
b. That objects in motion will stay in motion until acted upon by an outside force.
c. That the motion of an object will not be affected unless a strong wind blows.
d. You should always eat your vegetables.
e. An eye for an eye, a tooth for a tooth.
3) Inertia is defined as
a. The tendency of an object to stay in motion or an object at rest that tends to stay
at rest.
b. A property of matter.
c. The tendency of an object to collide with another object, causing combustion.
d. Ms. Forehand’s middle name.
e. Both A and B.
4) Velocity and acceleration are both
a. Theories created by Albert Einstein and tested by other scientists.
b. Affected by gravity.
c. Used to calculate the airspeed of an unladen swallow.
d. Processes by which the human body makes proteins.
e. Figments of your imagination.
5) What is the acceleration due to gravity on earth?
a.
b.
c.
d.
e.
9.81 m/s2
5.43 m/s3
120.43 m/s2
10.2 m/s4
9.81 m/s3
B. Match the formulas. Some formulas may not be used.
6) Velocity formula
7) Acceleration formula
8) Force formula
a.
b.
c.
d.
e.
F/m
d/t
mxa
m/v
-b + √b2-4ac
2a
C. Use the WORD BANK to fill in the blanks in the paragraph. Some words
may be used once, twice or not at all. 
Today in class Sarah and Michael are doing an experiment with a rocket. They first
write down their (9)______________which they came to by using their knowledge
from doing research. Michael is trying to calculate the (10)________________ of the
rocket if the (11)_________ is 3.54 kg and the force is 9.22 Newtons. Sarah records
their finding in a (12)________________ to report what they have found. Sarah and
Michael now have to calculate the mass of the rocket if it were on the moon. They
both know that on the moon, the mass is (13)_____ ________ of the weight that it is
on earth. When the rocket returns to earth it will be in (14)____________ until some
sort of force stops it. This property of matter is known as (15)___________.
WORD BANK
a.) lab book
b.) one-sixth
c.) one-eighth
d.) force
e.) inertia
ab.) mass
Answer Key:
1. D
2. B
3. E
4. B
5. A
6. B
7. A
8. C
9. BD
10. AD
11. AB
12. A
13. B
14. C
15. E
ac.)
ad.)
ae.)
bc.)
bd.)
questions
acceleration
velocity
motion
hypotheses