Show:
Sound Waves
Parts of the Ear
More about Hearing and Sound
Odds and Ends
100
Sound is made when things __________.
What is Vibrate.
100
When sound travels down the ear canal it causes this to vibrate first.
What is the EAR DRUM.
100
Name 3 sounds that can damage our hearing.
What is -Plane taking off -Concerts -Construction machines...........
100
If you have a skinny elastic and a fat elastic, which one will make the higher pitch?
What is the skinny elastic.
200
The highness or lowness of sound is called its _______.
What is PITCH.
200
The part of the ear that funnels the sound.
What is the PINNA or OUTER EAR.
200
A pair of elastic fibered bands that vibrate to produce sounds in the human body is called the ________________.
What are VOCAL CHORDS.
200

Mrs W made a guitar with a ruler, two elastic bands and a box. She wants to make the sound louder. She should a. use one elastic b. use a larger box c. pluck the elastics harder d. pluck the elastics more gently.

What is C. Pluck the elastics harder

300
Sound can travel through...
What is the states of matter: SOLID, LIQUID or GAS
300
What three bones make up the inner ear?
What is the Hammer, Anvil and Stirrup.
300
What is the BEST CONDUCTOR of sound?
What is a SOLID.
300
If 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?
What is a LOW Pitch
400
If a sound wave is TALL and CLOSE TOGETHER it is...
What is LOUD and HIGH PITCH.
400
What nerve carries a message about the sound to the brain?
What is the auditory nerve.
400
What is the WORST CONDUCTOR of sound?
What is AIR.
400
What unit do we measure sound with?
What is a DECIBEL.
500
If a sound wave is SHORT and VERY SPREAD APART it is...
What is QUIET and LOW PITCH.
500
What is the spiral shaped part of your ear called?
What is the cochlea.
500
What is located in the cochlea?
What is liquid and tiny hairs.
500
Auditory means ______.
What is sense of hearing.