Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that makes work easier by allowing us to push or pull in a more efficient way.

Front

What is a lever?

Back

A lever is a simple machine that consists of a bar that pivots on a fixed point called a fulcrum.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine made of a larger wheel attached to a smaller axle, allowing for easier movement.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help lift objects more easily.

Front

What is a pulley?

Back

A pulley is a simple machine that uses a wheel and a rope to lift or lower objects.

Front

What is a wedge?

Back

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

Front

How does a lever work?

Back

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

Front

What are the three parts of a lever?

Back

The three parts of a lever are the effort, load, and fulcrum.

Front

Can you give an example of a lever?

Back

A seesaw is an example of a lever.

Front

What is the purpose of a pulley?

Back

The purpose of a pulley is to change the direction of a force to lift heavy objects.