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Unit 4: Motion

Total questions: 25

Worksheet time: 2hrs 5mins

Name
Class
Date
1.

Who came up with the law of universal gravitation  ?

a)
Einstein 
b)
Galileo
c)
Darwin
d)
Newton 
2.
As distance between objects increases the pull of gravity...
a)
increases 
b)
decreases 
c)
Stays the same 
3.
Which of the following never changes no matter where you are in the universe? 
a)
Pounds 
b)
weight 
c)
Force
d)
Mass
4.
A person weights _______ on the moon than they do on Earth.
a)
the same
b)
more
c)
less
5.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
6.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
7.
What causes a change in motion on an object?
a)
balanced force
b)
unbalanced force
c)
balanced mass
d)
unbalanced mass
8.
What is a Force?
a)
A force is a speed
b)
A force causes motion
c)
only unbalanced
d)
only balanced
9.
Which term means speed with a direction?
a)
Speeding
b)
Acceleration
c)
Velocity
d)
Gravity
10.
The Standard Units for Speed is ?
a)
m/s (meters per second)
b)
ms (meters times seconds)
c)
mskg (meters times seconds kilograms)
d)
m/s*kg (meters per second kilograms)
11.
This driver just experienced which one of newton's laws?
a)
First law
b)
Second law
c)
Third law
d)
Fourth law
12.
A change in velocity over time is
a)
Scalar
b)
Speed
c)
Acceleration
d)
Motion
13.
How many variables should be changed in an experiment?
a)
1
b)
2
c)
3
d)
doesn't matter
14.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
15.
On which surface will a toy car travel the furthest?
a)
Carpet
b)
Polished Wood
c)
Ice
16.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
17.

The strength of force is measured in

a)

atoms

b)

kilograms

c)

newtons

d)

pounds

18.

An object that exerts force repels or attracts other objects

a)

True

b)

False

19.

Weight is NOT the same as mass.

a)

True

b)

False

20.

The force of gravity is much less on the moon because the moon is much _____ than Earth.

a)

Bigger

b)

Heavier

c)

Lighter

d)

Smaller

21.

Mass is the amount of _____ in an object.

a)

Water

b)

Weight

c)

Matter

d)

Mass

22.

Friction is a force that causes moving objects to _______

a)

speed up

b)

turn right

c)

slow down

d)

turn left

23.

Gravity is the _____ that attracts objects to Earth

a)

gas

b)

chemical

c)

force

d)

friction

24.

The sun’s gravity keeps ____ and other planets orbiting around sun

a)

The moon

b)

Pluto

c)

Earth

d)

Saturn

25.

______ is the distance traveled in a certain amount of time

a)

velocity

b)

speed

c)

direction

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