Pitch
Pitch is
How high or low a sound is
Volume is
How loud of soft a sound is
What is the thin skin that vibrates in the ear?
The ear drum
Why shouldn't you use a q-tip to clean your ears
its too small, you could damage you ear drums
Sound is created by
vibrations
If you have a skinny elastic and a fat elastic, which one will make the higher pitch and which one will make the lower pitch?
Fat elastic
Cotton is a good material a: sound proofing b: amplifying sound
Sound proofing
Which part of the ear is shaped like a snail?
The cochlea.
What type of headphone should you use to listen to music?
One that covers your ear. Not ear buds
You can no longer communicate if you can't hear
wrong. sign language or body movements can be use to communicate
If you have a elastic and a stretch it with a pencil, how will that affect the ptich?
The pitch will be higher
A megaphone make sound loud by...
making the vibrations travel in one direction
What are the three bones called inside the ear?
The osiciles (anvil, hammer and stirrup)
What is one way, other than louds sounds, that you can lose your hearing?
Disease, old age
Sound travels faster through solids than air
True
David learned that sound is a result of vibrations and the faster the vibration a. the lower the pitch b. the higher the pitch
higher the pitch
A stethoscope is used by doctors to ______ sound. a: amplify b: sound proof
amplify
What part of the ear turns the sound into thoughts in the brain?
Auditory Nerve
A way to keep your ears warm in winter could be
wear a toque or ear muffs
A dog can here higher pitch than humans making them good _____
Watch dogs
f you take a ruler and hang 20 cm off of the edge of the desk and bang it, would it cause a high pitch or a low pitch?
Low Pitch
Conrad made a guitar with a ruler, two elastic bands and a box. He wants to make the sound louder. He should a: use a larger box b:. pluck the elastics harder .
b:. pluck the elastics harder .
The pinna acts as a ______ to collect sound
Funnel
110 or higher
Boom wackers are an example of something you _______ to make sound. (strike, blow, pluck)
Strike