Dangle a spring to experiment with vibration and discover if period is dependent on amplitude. Strum a guitar and adjust the strings to compare displacement and sound. Use a Slinky® and guitar strings on a ring stand to uncover the...

Students explore how vibrations create sound by strumming a rubber band. They feel the vibration of their own vocal chords. Then they explore the motion of sound waves and echoes. They rely on their own hearing to locate others in their...

This lesson plan investigates sound waves and how the ear hears. Students create a model of the ear using a cardboard tube, plastic wrap, and a sheet of paper.

Find out how your ears work and try an experiment involving your hearing.

An informative site that deals with the parts of the ear and their functions. Text is complemented with pictures.