Solar Car Races: Build and retrofit for speed

If you have solar car kits for your junior high schoolers, they can experiment with photovoltaic cell angle, light intensity, and aerodynamic design to discover what makes their car move more quickly. This is a classic activity to use when wrapping up a unit on alternative energy sources. The lesson plan really does not offer anything innovative, but provides a general procedure for guiding your class, as well as questions for discussion.