General Info
Levers & Screws
Pulleys & Inclined Planes
Wheels & Axles and Wedges
Examples
Vocabulary
100
Simple machines help us to do this.
work
100
What is one thing a lever can be used to help us do?
lift or move objects
100
A ladder is what type of simple machine:
pulley, screw or inclined plane
inclined plane
100
Two things a wedge can be used for.
holding and splitting
100
A seesaw, baseball bat, and a door are all examples of this.
lever
100
This is a force that holds objects together.
gravity
200
A push or pull that makes an object move.
force
200
What is an inclined plane wrapped in a circle around a pole, it is used to hold things together : lever or screw
screw
200
How an inclined plane helps us do work.
moving objects from a low place to a high place, or the opposite.
200
A wheel and axle is used to do this.
move things
200
A knife, sled, and an ax are all examples of what simple machine.
wedge
200
This is a force that slows down motion between two objects that touch.
friction
300
Name all of the 6 types of simple machines.
lever, pulley, wheel & axle, inclined plane, wedge, and screw
300
Screws help hold things together
True or False
True
300
This simple machine uses wheels, and a rope to move objects up, down, and across a long distance. The rope wraps around a wheel . As the wheel turns, the rope moves. Attach a hook to the rope and you can raise and lower objects.:
inclined plane or pulley
pulley
300
What are two circular objects that are joined together : wheel and axle or screw
wheel and axle
300
A bathtub, sink, and stairs are all examples of this.
inclined plane
300
A push or pull is...
force
400
A machine made up of more than one simple machine is called a compound machine
True or False
True
400
A jar lid is a type of lever.
True or False
False
400
A pulley is usually made up of cable and this.
a wheel
400
An example of a wedge that you often see in the hallway holding doors open.
a doorstop
400
A flagpole, elevator, and a boat all use this simple machine.
pulley
400
When a force moves an object: power or work
work
500
What simple machines make up this compound machine?
500
The middle of the lever where it pivots up and down or back and forth on a ________.
fulcrum
500
Two inclined planes put together is called this.
wedge
500
This wheel and axle simple machine uses the wind for natural power.
windmill
500
A car, rollerskates, and clocks are examples of what simple machine.
wheel and axle
500
A change of position: motion or force
motion