General Info
Levers & Screws
Pulleys & Inclined Planes
Wheels & Axles and Wedges
Examples
Vocabulary
100
Simple machines help us to do this.
What is work?
100
A lever can be used to help us do these two things.
What is lift and open?
100
This is how a pulley makes work easier
What is change the direction of a force and what is decreasing the amount of force needed?
100
Two things a wedge can be used for.
What is holding and splitting?
100
A seesaw, baseball bat, and a door are all examples of this.
What is a lever?
100
This is a force that holds objects together.
What is gravity?
200
A push or pull that makes an object move.
What is force?
200
A screw is actually a special type of this.
What is an inclined plane?
200
How an inclined plane helps us do work.
What is moving this from a low place to a high place, or the opposite.
200
A wheel and axle is used to do this.
What is move things?
200
A knife, sled, and an ax are all examples of what simple machine.
What is a wedge?
200
This is a force that slows down motion between two objects that touch.
What is friction?
300
Name all of the 6 types of simple machines.
What is lever, pulley, wheel & axle, inclined plane, wedge, and screw?
300
The object to be moved by a lever.
What is the load?
300
The two types of main pulleys.
What is moveable and fixed?
300
A wheel with teeth is called this.
What is a gear?
300
A bathtub, sink, and stairs are all examples of this.
What is an inclined plane?
300
This is the rate at which work is done.
What is power?
400
These are examples of how machines make work easier.
What is by changing the size, distance, and/or direction of a force acting on an object?
400
The grooves on a screw are called this.
What is thread?
400
A pulley is usually made up of cable and this.
What is a wheel?
400
An example of a wedge that you often see in the hallway.
What is a doorstop?
400
A flagpole, elevator, and a boat all use this simple machine.
What is a pulley?
400
This is the ratio of a machine's output force produced to the input force applied.
What is mechanical advantage?
500
What simple machines make up this compound machine?
500
The non-moving or steady object on a lever.
What is a fulcrum?
500
Two inclined planes put together is called this.
What is a wedge?
500
This source of natural power is an example of a wheel and axle.
What is windmill?
500
A car, rollerskates, and clocks are examples of what simple machine.
What is wheel and axle?
500
This is the ration of the output work to the input work.
What is efficiency?