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 are 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 is a lever?

Back

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

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel with a groove that holds a rope or cable, used 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 raise or lower objects.

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut objects apart, like a knife or an axe.

Front

What is a screw?

Back

A screw is a simple machine that consists of a spiral inclined plane wrapped around a cylinder, used to hold things together or lift objects.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine that consists of a large wheel attached to a smaller axle, used to move or transport objects.

Front

What is the purpose of a lever?

Back

The purpose of a lever is to amplify force, making it easier to lift or move heavy objects.

Front

How does a pulley make work easier?

Back

A pulley makes work easier by changing the direction of the force needed to lift an object.