Funderstanding Roller Coaster - SIMULATION http://www.funderstanding.com/k12/coaster/
The Incredible Web Roller Coaster - SIMULATION http://www.dgp.toronto.edu/~lockwood/coaster/coaster.htm
Make Tracks - SIMULATION http://virtual.questacon.edu.au/rollercoaster/main.html
My Physics Lab Roller Coaster - SIMULATION http://www.myphysicslab.com/RollerDouble.html
Amusement Park Physics Roller Coaster - SIMULATION http://www.learner.org/exhibits/parkphysics/coaster/
Roller Coaster Database - RESEARCH http://www.rcdb.com/
Ultimate Roller Coasters - RESEARCH http://www.ultimaterollercoaster.com/
Cedar Point Roller Coasters - RESEARCH http://www.cedarpoint.com/public/park/rides/coasters/
More Roller Coasters - RESEARCH http://www.coastergrotto.com/biggest-roller-coasters.jsp
Six Flags Roller Coasters - RESEARCH http://www.sixflags.com/greatAmerica/rides/American_Eagle.aspx
Nettrekker Search Site - RESEARCH http://middle.nettrekker.com/subject/
Roller Coaster Photos - RESEARCH http://www.joyrides.com/
Roller Coaster - SIMULATION http://puzzling.caret.cam.ac.uk/game.php?game=roller