Simple and complex machines

A machine is an object that...

• makes work easier

• is very complicated

• has many parts

• has one or two parts

A simple machine has

• many parts

• one or two parts

A complex machine has

• one or two parts

• many parts

What is this?

• A lever

• A pulley

• An inclined plane

What is this?

• A lever

• A pulley

• An inclined plane

What is this?

• A lever

• A pulley

• An inclined plane

Tags

NGSS.MS-ETS1-2

What are the parts of a lever?

• Rope

• Pivot point

• Wheel

• Ramp

• Rigid bar

What are the parts of an inclined plane?

• Rope

• Pivot point

• Wheel

• Ramp

• Rigid bar

What are the parts of a pulley?

• Rope

• Pivot point

• Wheel

• Axle

• Rigid bar

Fire is a....

• Invention

• Discovery