FOSS - Levers & Pulleys

General Info  

Pulley- New World Encyclopedia
http://www.newworldencyclopedia.org/entry/Pulley  

Pulleys and Lifting
http://www.technologystudent.com/gears1/pulley7.htm  

Levers, Pulleys & Simple Machines
http://www.ftschool.org/fourth/science/simple_machines.html  

Science of Machines: 03/15/11
http://scienceofmachines.blogspot.com/2011_03_15_archive.html 

Lever - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Lever  

Teacher Info  

FOSSweb - Levers and Pulleys
http://www.fossweb.com/modules3-6/LeversandPulleys/index.html 

Simple MWedgeEdheads -achines Activities - Lever - Pulley ...
http://www.edheads.org/activities/simple-machines/  

Levers and pulleys multiply force but not energy | Practical Physics
http://www.practicalphysics.org/go/Experiment_471.html 

Simple Machines - MIKIDS for YOUR KIDS
http://www.mikids.com/Smachines.htm  

SIMPLE MACHINES - FREE presentations in PowerPoint format
http://science.pppst.com/simplemachines.html