Newton's
Laws of Motion
You might look at some of the following sites to help with your project:
http://teachertech.rice.edu/Participants/louviere/Newton/
http://www.physicsclassroom.com/Class/newtlaws/
http://www.glenbrook.k12.il.us/GBSSCI/PHYS/CLASS/newtlaws/newtltoc.html
http://www.grc.nasa.gov/WWW/K-12/airplane/newton.html
http://www.ddart.net/science/physics/physics_tutorial/Class/newtlaws/newtltoc.html
http://library.thinkquest.org/27948/newton.html
http://library.thinkquest.org/03oct/02144/basics/newton.htm
http://library.thinkquest.org/2745/data/newton.htm
http://tutor4physics.com/m0.htm
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An explanation of Newton's laws can be found here