1. Tools of Science Simple & Compound Machines

2. 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

3. 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.

4. Quiz  ______ _______ have few or no moving parts. An example of this is a ______.  1. Compound Machines; Axe 1. Compound Machines; Axe 1. Compound Machines; Axe  2. Simple Machine; Scissors 2. Simple Machine; Scissors 2. Simple Machine; Scissors  3. Compound Machines; Pulley 3. Compound Machines; Pulley 3. Compound Machines; Pulley  4. Simple Machines; Lever 4. Simple Machines; Lever 4. Simple Machines; Lever

5. Correct!!  A pulley is an example of a simple machine because it has a few moving parts and it makes work easier.  GREAT JOB!!!!

6. Incorrect  Go back and review the information on Simple and Compound machines. Once you are done attempt the quiz again. Good Luck!

7. Bio Page Created by Thomas Unangst Web Addresses to Photos: http://www.mikids.com/Smachines.htm http://www.quia.com/pop/36483.html