1: Drum with paper clips on the top. Students should tap on the drum and observe what happens to the paper clips.
· Students should tap on the drum. What do you see? What do you hear?
#2: Touch side of your throat and say ahh.
· What do you feel as you say ahh? What do you hear?
#3: Tuning fork in water.
· Gently strike the tuning fork on the pad and then place it in the water. Describe what you observe. What do you see? What do you hear?
#4: Steel yardstick or ruler on edge of a table.
· Hold one end of the ruler firmly against the top of the table. Snap the other end. What do you see? What do you hear?
· Prior to this activity, students should understand that sound is a form of energy that travels in invisible waves. They should understand what a vibration and a medium are. They should understand that when a vibration travels through the air and into the ear canal it vibrates the eardrum, and they should understand that the vibration of vocal chords creates our voice.
