Materials:
Yourself
paper
pencil/pen
Directions: First, just start humming. Then, put your hand on the higher part of your neck. Feel the vibrations. Write down what you notice. Vibrations are created when the vocal cords wiggle or vibrate to make sound! Take this further by humming in different pitches or in a low or high voice! Send us your observations by going to www.spectacularsci.com/contact.