Will masons Bibliography

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Bibliography

Content:
1. Investigating Science and Technology 8. Reid McAlpine, 2008.
Pictures:
1. "Hammer pulling nails" www.diyfixit.co.uk
2. "Man pushing wheelbarrow" msc-technology.wikispaces.com
3. "Lever classes" www.dtonline.org
4. "Mechanical advantage of a inclined plane" www.education.com
5. "3 classes of levers" pages.northcantonschools.org
6. "Pulley # 1." home.comcast.net
7. "Pulley # 2." home.comcast.net
8. "Wedge" home.comcast.net
9. "Two men pushing barrels" www.glogster.com

Videos:
1. "Eureka Video on Mechanical Advantage" http://www.youtube.com/watch?v=8hrFBYp5LYs