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. Examples include levers, pulleys, and inclined planes.

Front

Name the six types of simple machines.

Back

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

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 the fulcrum in a lever?

Back

The fulcrum is the fixed point around which a lever rotates.

Front

Give an example of a lever in everyday life.

Back

A seesaw is an example of a lever.

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

How does a pulley make work easier?

Back

A pulley changes the direction of the force needed to lift an object, making it easier to lift heavy loads.

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

Give an example of an inclined plane.

Back

A ramp is an example of an inclined plane.

Front

What is a wheel and axle?

Back

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