Simple and Compound Machines

Front

What are simple machines?

Back

Simple machines are basic mechanical devices that help make work easier by allowing us to apply force in a more effective way.

Front

What are the six types of simple machines?

Back

The six types of simple machines are lever, inclined plane, wedge, screw, pulley, 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 are the three classifications of levers?

Back

The three classifications of levers are first class, second class, and third class.

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, consisting of two inclined planes.

Front

What is a screw?

Back

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

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel on an axle, used to change the direction of a force and lift heavy objects.

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 of objects.

Front

What is a compound machine?

Back

A compound machine is a machine that utilizes two or more simple machines working together to perform a task.