Parts of the Ear
Sound waves cause the eardrum to __________.
vibrate?
Sound is made when things ____________.
vibrate
A thin piece of skin stretched tight like a drum to separate the outer ear and middle ear is called the ______________.
ear drum
How loud or quiet a sound is, is called ____________.
volume
Sound that is unpleasant and annoying is called ___________.
The eardrum is a thin skin that stretches across the inner end of the ear _________.
canal
The loudness of sounds is either loud or _______.
soft/quiet
A pair of elastic fibered bands that vibrate to produce sounds in the human body is called the ________________.
vocal cords
Short sound waves make a __________ pitch.
high
natural
When you hear sound, your ___________ is vibrating.
eardrum
The highness or lowness of sounds is called its _______.
pitch
We measure sound using ________.
Decibels
Long sound waves make a ______ pitch.
low
Car horns, instruments, doorbells and the radio are examples of ____________ sounds.
man made
The vibrations travel through your _________ to get to your inner ear.
ear canal
Sound can travel through _________.
solid, liquid, or gases
How long or short a sound lasts for is called its __________.
duration
When sound waves are taken in by a soft object, like a pillow, it is called __________.
absorption.
Sound waves travel slowest through __________.
gasses
You hear sounds when sound reaches your _________.
The pitch of a sound is either low or ________.
high
When an object moves quickly back and forth is called ____________.
vibration
When sound waves bounce off an object it is called ________.
reflection
Sound waves travel fastest through _________.
solids