Make sound waves visible with an experiment that asks middle schoolers to build a model ear drum using plastic bottles, rubber bands, plastic wrap, and sand-like substances.

Trim the end of a straw to construct a vibrating wind instrument. Everyone in your class can make their own during a lesson on sound waves.

Learn about compression waves and amplification through constructing a toolaballoonaphone! The toolaballoonaphone is made out an exercise ball, fish nets, wrenches, strings, scissors, and a clean waste basket that allows students to...