Introduce kids to the scientific principles of sound with simple, fun-to-conduct experiments, including building a bottle xylophone and soundproof box, making a paper cup telephone and party horn, and
Kids can discover the countless colors of light and other fascinating phenomena in this well-illustrated, clearly explained activity book. Experiments include making a pinhole camera, telescope, sundi
Simple demonstrations illustrate scientific concepts, showing how to make a boat float, purify dirty water, and employ the power of hydraulics. Projects include building a waterwheel, powerboat, hydr
By building a wind turbine, hovercraft, barometer, and other items, kids discover fundamental scientific principles that govern the forces behind air pressure, flow, and resistance, the mechanics of f
