Bibliography

Maineri, Sarah ED.Simple Machines. Delta Education.Nashua,NH 2003

Bellis, Mark "The Ferris Wheel- George W. Ferris". History of the Ferris Wheel and Theme Park Innovations </http://inventors.about.com/library/inventors/blrollercoaster.htm>04/14/09

All pictures were done by Elizabeth.

All photos were taken by Lucas and Elizabeth.

All audios were done by Elizabeth and Lucas.