1. By:
Carly Kelly

2.  A lever must have a fulcrum .
 It helps you lift stuff.
 A lever is a simple machine.
 A lever is a useful machine.
 A lever has to be a etched to a machine

3.  You push a lever down four feet!
 They were made 440 million years ago .
 People have used them two hundred thousand
years ago !
They were began in 200 b c.
People starting using levers about 17,000 b c ago.

4.  Animals have levers in them
 Balance scale
 Balance beam