Transcript Power Point

Tools of Science
Simple & Compound
Machines
Simple Machines Are:
Tools that make work easier.
 They have few or no moving parts.
 Machines that use energy to do work.
 Examples are: Lever, Screw, Wheel & Axle, Wedge, and
Pulley

Compound Machines Are:
Combinations of two or more simple machines.
 Machines that can do more difficult jobs than simple
machines.
 Examples are: Scissors, bicycle, and Axe.

Quiz

______ _______ have few or no moving parts. An example of
this is a ______.
1.
 2.
 3.
 4.

Compound Machines; Axe
Simple Machine; Scissors
Compound Machines; Pulley
Simple Machines; Lever
Correct!!

A pulley is an example of a simple machine because it has
a few moving parts and it makes work easier.

GREAT JOB!!!!
Incorrect

Go back and review the information on Simple and
Compound machines. Once you are done attempt the
quiz again. Good Luck!
Bio Page
Created by Thomas Unangst
Web Addresses to Photos:
http://www.mikids.com/Smachines.htm
http://www.quia.com/pop/36483.html