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, wheel and axle, pulley, inclined plane, screw, and wedge.

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 round wheel attached to a rod (axle) that helps move things.

Front

What is a pulley?

Back

A pulley is a simple machine that uses a wheel and a rope to lift heavy 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 screw?

Back

A screw is a simple machine that is a twisted inclined plane used to hold things together or lift 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 is work in terms of simple machines?

Back

Work is the use of force to move an object over a distance.