Found 30 - 38 results of 38 programs matching keyword " afterschool"
A detailed demonstration of how to make the saxophone-like membranophone, including a discussion of materials needed. The science behind the water bottle membranophone, including a discussion of how air vibrates the instrument's membrane, producing sound.
An introduction to a spinning disc called a stroboscope, which lets you create your own animated cartoon. A detailed demonstration of how to make a stroboscope, including a discussion of materials needed. The science behind the Whirling Watcher stroboscope, including a discussion of the phenomenon called persistence of vision, which in this activity creates the illusion of a galloping horse. An introduction to the jitterbug, a simple motorized toy made of a recycled CD and a DC motor. A detailed demonstration of how to make this toy, including a discussion of materials needed. The science behind this toy, including a discussion of how electric circuits work, and how an unbalanced load (an off-center weight on your jitterbug) results in rotational vibration.
