science

Presents experiments for exploring ways of harnessing and using energy.

Presents simple experiments demonstrating the basic scientific principles of water.

Explores the wheel through projects involving rollers, carts, wagons, and other devices using wheels to function.

Provides instructions for making and using a variety of machines, including levers, diggers, cranes, and pulleys.

Presents simple hands-on experiments that demonstrate why some objects float and others sink.

Presents a variety of activities, experiments, and simple tricks that explore principles of electricity, physics, biology, and more.

Provides instructions on how to construct boats, paper airplanes, birdhouses, and mix super-big bubbles that float on invisible air waves.

Provides instructions for making such devices as a tin-can telegraph, crystal radio, and kaleidoscope, and suggests a variety of related experiments and other activities.

Experiments with food demonstrate various scientific principles and produce eatable results. Includes beef jerky cottage cheese, synthetic cola, and pudding.

A collection of experiments that explore the qualities of candy.