Build Your Own Solar OvenAdd to list Details
Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.
Build Your Own Hydroelectric GeneratorAdd to list Details
Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.
Build Your Own Wind TurbineAdd to list Details
Learners construct an electricity-generating wind turbine out of a plastic bottle.