Instructions for how to make a kazoo. Also explains how the vibrations from humming create the sound.

Try making this instrument that incorporates a stretched membrane. As air is blown into the attached bottle, sound vibrations are produced. With the addition of finger holes, different sounds can be made.

This page, provided by the Franklin Institute, shows you how to become an amateur meteorologist. Directions on how to construct a weather station include the barometer, hygrometer, rain gauge, weather vane, and compass.

Learn about hurricanes and how they are created. Features include video animation, the histories of the most devastating hurricanes and topics such as hurricane naming and hurricane study.