Concord Consortium
The Concord Consortium: Molecular Workbench: Friction and Movement
Explore how friction between a surface and tires affects the movement of a bicycle.
Science Education Resource Center at Carleton College
Serc: Conservation of Energy of While Rolling Down a Hill
A real-life example of a ball rolling down a ramp to see whether mechanical energy really is conserved when objects roll down hills. Students analyze video clips of children rolling down a driveway on roller blades and various bikes and...
Exploratorium
Exploratorium: The Science of Sports Cycling
A detailed look at the aerodynamic principles associated with cycling. Good science and even better web page design. Includes an online calculator that allows the user to calculate the aerodynamic drag and propulsive power of a bicyclist...