Tools of Science

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# Tools of Science - PowerPoint PPT Presentation

Tools of Science. Simple &amp; 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 &amp; Axle, Wedge, and Pulley. Compound Machines Are:.

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Presentation Transcript

### 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. Compound Machines; Axe
• 2. Simple Machine; Scissors
• 3. Compound Machines; Pulley
• 4. 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