www.thephysicsancillary.com
 
www.howstuffworks.com
http://RCDB.com/ 
http://illuminations.nctm.org/index_d.aspx?id=241
http://www.intel.com/education/projects/wildride/
http://www.learner.org/exhibits/parkphysics/coaster.html
http://www.glencoe.com/sec/science/webquest/content/rollercoast.shtml
http://www.glenbrook.k12.il.us/gbssci/phys/Class/circles/u6l2b.htmlI 
http://school.discovery.com/lessonplans/programs/rollercoaster/
http://www.shambles.net/games/
CLICK ON "Simulations"> "Roller Coaster Designer simulation"> "This is a game where you can design your own roller-coaster.
http://ali.apple.com/ali_sites/ali/exhibits/1000910/
http://www.funderstanding.com/k12/coaster/index.html
http://www.esc2.net/TIELevel2/projects/roller/default.htm
http://www.learner.org/exhibits/parkphysics/coaster.html
http://www.funderstanding.com/k12/coaster/
http://dsc.discovery.com/convergence/coasters/interactive/interactive.html
http://www.cnn.com/TRAVEL/DESTINATIONS/9706/roller.coasters/coasters.html
http://www.glenbrook.k12.il.us/gbssci/phys/projects/yep/coasters/rcstupa.htm
http://www.angelfire.com/on2/thrillsandchills/
http://plusplus.free.fr/rollercoaster/
http://www.math.wpi.edu/Course_Materials/Calc_Projects/node6.html
http://teachertech.rice.edu/Participants/pschweig/rollercoaster.html
http://www.funderstanding.com/k12/coaster/
http://scienceforfamilies.allinfo-about.com/features/rollercoaster.html
http://www.learner.org/exhibits/parkphysics/
http://science.howstuffworks.com/roller-coaster.htm
http://www.kent.k12.wa.us/staff/tomrobinson/physicspages/physof99/roller-zimmer/index.html
http://www.glencoe.com/sec/science/webquest/content/rollercoast.shtml
http://science.discovery.com/convergence/rollercoasters/buildacoaster.html
http://search.eb.com/coasters/ride.html
http://www.pen.k12.va.us/Pav/Science/Physics/book/home.html
http://homepage.mac.com/cbakken/physlab/plab99/labs/nmorley/rollercoaster.ht