2.—TO SHOW HOW SOUND TRAVELS THROUGH A SOLID.
Take a long piece of wood, such as the handle of a broom, place a watch at one end, apply your ear to the other, and the ticking will be distinctly heard.
Take a long piece of wood, such as the handle of a broom, place a watch at one end, apply your ear to the other, and the ticking will be distinctly heard.