Discover the science behind luge by racing as Ruff in this online game. Choose the most aerodynamic racing suit, start with the most power and least wind resistance and steer Ruff's sled along the optimal path in order to have the quickest time. Details »
Classroom Resources
Construct a system for heating water using solar heat and compare the temperature of water as it enters and leaves the system. Make adjustments to improve the performance of your solar water heater. Details »
Use common materials to build a crane and see how much weight it will lift. Identify ways to improve the design and make adjustments to the project. Details »
Discover concepts of potential and kinetic energy, friction and force by building a model rover like those used for exploring the terrain of other planets. Details »
Support for pbs.org provided by: