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

Name the six types of simple machines.

Back

The six types of simple machines are lever, pulley, inclined plane, wedge, screw, and wheel and axle.

Front

What does a lever do?

Back

A lever helps lift heavy objects by using a fulcrum to change the direction of the force applied.

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 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 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 converts rotational motion into linear motion, often used to hold things together.

Front

How does a catapult work?

Back

A catapult is a type of lever that uses stored energy to launch objects into the air.

Front

What is the purpose of simple machines?

Back

The purpose of simple machines is to make work easier by reducing the amount of force needed to move objects.

Front

How does a wheel and axle work?

Back

A wheel and axle is a simple machine that allows for easier movement of heavy objects by reducing friction.