Simple Machines

Grades 3-4Created by: Audrey Janco

Simple machines are used every day to make our lives

easier.A flagpole is an example

of a simple machine.

There are six simple machines.

• Pulley• Lever• Wedge• Wheel and axle• Inclined Plane• Screw

Pulley• A pulley is a

simple machine that uses grooved wheels and a rope to raise.

Levers• A lever is a stiff

bar that rests on a support called a fulcrum which lifts orr moves loads.

• Scissors are an example of a lever we use daily.

Wedge• A wedge is an

object with at least one slanting side ending in a sharp edge.

• Can you name this wedge?

A wheel and axle consists of a wheel with a rod called an axle through its center that

lifts or moves loads.

Inclined Plane• An inclined plane is a slanting

surface connecting a lower level to a

higher level.

QuickTime™ and aTIFF (Uncompressed) decompressor

are needed to see this picture.

Screw• A screw is an inclined plane

wrapped around a pole which holds things together or lifts materials.

See how many simple machines you can name.