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WorksheetsMrs. Stone, Gr. 4, Force and Motion
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Gravity is _____________________.
a)
force that pushes or pulls an airplane forward
b)
the force that pulls all objects toward each other
c)
a simple machine made of a wheel with a rope around it
d)
the speed and the direction an object is moving
2.
Friction is ___________________________.
a)
the speed and the direction an object is moving
b)
the force that pulls all objects toward each other
c)
a force that acts when two surfaces rub together
d)
the force that pushes or pulls an airplane forward
3.
A lever is _____________________________.
a)
a simple machine that is made of two inclined planes put together and that can be driven into another material
b)
a simple machine made up of a bar resting on a fulcrum
c)
a simple machine made of a stick with ridges wrapped around it
d)
a simple machine made of a wheel with a rope around it
4.
What is the name of the simple machine which is composed of a wheel and a rod, which is joined to the center of the wheel?
a)
inclined plane
b)
pulley
c)
wedge
d)
wheel and axle
5.
What is thrust?
a)
friction caused by the air as an object moves through it
b)
force that pushes or pulls an airplane forward
c)
the force that pulls all objects toward each other
d)
the rate at which an object changes speed
6.
Drag is defined as "__________________________________".
a)
a pushing force from below that keeps an airplane in the air
b)
a force that pushes or pulls an airplane forward
c)
friction caused by the air as an object moves through it
d)
a simple machine made of a stick with ridges wrapped around it
7.
Energy of motion is called ______________________.
a)
kinetic energy
b)
wheel and axle
c)
potential energy
d)
inclined plane
8.
A simple machine made of a stick with ridges wrapped around it is called ___________________________.
a)
lever
b)
pulley
c)
screw
d)
wedge
9.
What is an inclined plane?
a)
a simple machine made of a wheel with a rope around it
b)
a simple machine made of a wheel and a rod, joined to the center of the wheel
c)
a simple machine, like a ramp
d)
a simple machine made of a bar resting on a fulcrum
10.
Energy that is stored in an object is called __________________.
a)
acceleration
b)
inclined plane
c)
kinetic energy
d)
potential energy
11.
Speed is ___________________________________.
a)
a simple machine made of a stick with ridges wrapped around it
b)
the force that pulls all objects toward each other
c)
a way of measuring how quickly something is moving or being done, or something moving fast
d)
a simple machine made of a bar resting on a fulcrum
12.
Velocity is ______________________________.
a)
the rate at which an object changes speed
b)
the speed and the direction an object is moving
c)
the force that pulls all objects toward each other
d)
a simple machine made of a wheel with a rope around it
13.
An increase in the speed of something is called ______________________.
a)
acceleration
b)
inclined plane
c)
potential energy
d)
velocity
14.
The pushing force from below that keeps an airplane in the air is called ________________________.
a)
drag
b)
lever
c)
lift
d)
pulley
15.
A wedge is ______________________________.
a)
a simple machine made of a bar resting on a fulcrum
b)
a simple machine made of a wheel with a rope around it
c)
a simple machine made of a stick with ridges wrapped around it
d)
a simple machine that is made of two inclined planes put together and that can be driven into another material
16.
A simple machine made of a wheel with a rope around it is called a _______________________.
a)
lever
b)
pulley
c)
screw
d)
wedge
17.
A machine that is a combination of two or more simple machines is called a _____________________.
a)
compiled machine
b)
complete machine
c)
compound or complex machine
d)
simplified machine
18.
Which is not a compound machine?
a)
a bike
b)
a car
c)
a wheelbarrow
d)
a screw
19.
Force is _____________________.
a)
a simple machine
b)
any push or pull
c)
friction
d)
velocity
20.
How does something travel if it has been pushed with a soft force?
a)
moves slower than if it were pushed with a hard force
b)
moves fast and very quickly
c)
does not move
d)
moves slow and then fast
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