Neuroscience for Kids
Shake pennies or other coins Clap hands Clap chalkboard erasers Tap a pencil or pen on a desk ... Try this experiment with the seated person using both ears and then again with one ear closed. ... a table or floor will work. Newer pennies have a "tinny," "dull" sound. Older pennies have a more "full," "ringing" sound. Keep track of the pennies ...