Practice: Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that changes the direction or magnitude of a force, making work easier.

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 rigid bar that pivots around a fixed point called the fulcrum.

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.

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 raise or lower objects.

Front

What is a screw?

Back

A screw is a simple machine that consists of an inclined plane wrapped around a pole, used to hold objects together or lift them.

Front

What is a wedge?

Back

A wedge is a simple machine that is a triangular-shaped tool used to split or cut objects apart.

Front

How do simple machines make work easier?

Back

Simple machines make work easier by decreasing the force needed to complete a task.

Front

What is the function of a doorknob?

Back

A doorknob functions as a wheel and axle, allowing for easy opening and closing of doors.