Study Guide for the Sound Unit
Study Guide for the Sound Unit
One section of the test is matching vocabulary words to their definitions.
vibration – the back and forth motion of an object or surface
sound – a sequence of vibrations that travels through air or another material
frequency – the number of vibrations in a sound wave each second
pitch – how we hear sounds with different frequencies; low frequencies sound low, while high frequencies sound high
Students should know the following information:
Loud noises can hurt your ears.
Wear earplugs to protect your ears.
Sound is caused by vibrations.
Sound can travel through solids, liquids, and gases.
A thick string will make a lower sound than a thin string.
A tight string makes a higher sound than a loose string.
How many sound waves a sound makes in one second is called frequency.
A high pitch makes more vibrations in one second than a low pitch.
Be able to label the parts of the ear: pinna, auditory canal, eardrum, malleus (hammer), incus (anvil), stapes (stirrup), cochlea, and auditory nerve
