Simple Machines

Front

What is a lever?

Back

A lever is a bar that moves around a fixed point to push, pull, or move things.

Front

What is a pulley?

Back

A pulley is a wheel with a rope wrapped around it that helps lift or pull heavy objects.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is raised higher at one end to help move objects up or down.

Front

What is a compound machine?

Back

A compound machine is made up of two or more simple machines working together.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine that consists of a wheel attached to a rod (axle) that helps move things.

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut objects apart.

Front

What is a screw?

Back

A screw is a simple machine that is an inclined plane wrapped around a pole, used to hold things together or lift objects.

Front

How does a lever work?

Back

A lever works by using a fulcrum to lift or move a load with less effort.

Front

What is the purpose of a pulley?

Back

The purpose of a pulley is to change the direction of force needed to lift an object.

Front

Can you give an example of a compound machine?

Back

An example of a compound machine is a bicycle, which uses wheels, levers, and pulleys.