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WorksheetsSimple Machines-4th grade Test review
Total questions: 23
Worksheet time: 24mins
Name
Class
Date
1.
An inclined plane wrapped around a rod forms this simple machine
a)
lever
b)
pulley
c)
screw
d)
wedge
2.
An axe is an example of a
a)
pulley
b)
inclined plane
c)
screw
d)
wedge
3.
A seesaw is an example of a
a)
wedge
b)
lever
c)
inclined plane
d)
pulley
4.
A device that has two or more simple machines working together
a)
fulcrum
b)
pulley
c)
compound (complex) machine
d)
motor
5.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
6.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane
7.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
8.
Without gravity we would________.
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
9.
Which object has a GREATER force of gravity?
a)
Ball
b)
Earth
10.
Why a ball falls to the ground?
a)
Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground.
b)
Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground.
11.
The location of a place or an object is called its....
a)
position
b)
motion
c)
speed
d)
reference point
12.
The change of position over time is called
a)
position
b)
motion
c)
speed
d)
location
13.
True or False:
The motion of an object can change over the course of its movement
The motion of an object can change over the course of its movement
a)
true
b)
false
14.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
15.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
16.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
17.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
18.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight
d)
friction
19.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
20.
Velocity is
a)
speed
b)
direction
c)
speed with a direction
21.
How far an object has moved?
a)
displacement
b)
distance
c)
motion
d)
reference point
22.
The more force you have, the more weight you can move.
a)
True
b)
False
23.
The greater the mass an object has the force becomes stronger.
a)
True
b)
False
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