Pulleys and Gears

 On-line activities where students identify the simple machine, select the use, then read about the function.

• Simpe Machine Glossary
• Simple Machines Teacher's Guide
  • Edheads Pre-test
  • Edheads Post-test
• Ed-heads: The Odd Machine
  http://www.edheads.org/activities/odd_machine/index.htm
  The Odd Machine: Learn how forces and simple machines can work together.
• Teacher's Guide
  • Pre and Post-test

Descriptions of 6 simple machines.

Explanations of simple machines and on-line quiz.

Lesson plans and activities for Pulleys, Gears, Levers, Inclined Planes, and the Screw.

• Inventors workshop
  http://www.mos.org/sln/Leonardo/InventorsWorkshop.html
  Historical look at Leonardo's inventions.

• Inventor's Toolbox
  http://www.mos.org/sln/Leonardo/InventorsToolbox.html  
  A good explanations of simple machines.
• Gadget Academy
  http://www.mos.org/sln/Leonardo/GadgetAnatomy.html 
  An on-line test of simple machines found in  household gadgets.
• Classroom Extensions
  http://www.mos.org/sln/Leonardo/SketchGadgetAnatomy.html 
  Further classroom activities.

An on-line look at gears, ratio, planetary gears.

• Gears on-line worksheet
• Gears Worksheet Word97 doc. (for above activity) 

Click on drivers and gears to  read about the function of gears on a bike.