What are the three tiny bones in the ear called? (think of the acronym HAS)
Hammer, Anvil, Stirrup
100
What is an example of a high pitched sound?
Answers may vary. (Piccolo, baby crying, thin elastic, dog whistle, etc.)
100
Fill in the Blanks!
The larger the vibration, the _______ the sound.
The smaller the vibration, the _______ the sound.
The larger the vibration, the LOUDER the sound.
The smaller the vibration, the QUIETER the sound.
100
What is an example of a dangerous sound?
Answers may vary. (Jackhammer, Rocket launch, firecrackers, drums, jet, screaming in ear, live music, motor boat, etc.)
100
Are high pitched sound waves close together or far apart?
High pitched sound waves are close together.
200
In what part of the ear is the pinna found?
It is located in the outer ear.
200
What is an example of a low pitched sound?
Answers may vary. (cow moo, whale, thunder, thick elastic, etc.)
200
Is snoring most likely considered to be a pleasant or unpleasant sound?
It is most likely an unpleasant sound.
200
What is an example of a sound that is NOT harmful to our ears.
Answers may vary. (light breeze, whispering, mouse, fridge, doorbell, normal conversation, phone ringing, etc.)
200
Are low pitched sound waves close together or far apart?
Low pitched sound waves are far apart.
300
What are the three main parts of the ear?
Outer ear, middle ear, inner ear.
300
What kind of vibrations does a high pitched sound have?
Fast vibrations.
300
During our loudness experiment, what sound did we decide was the loudest?
Dropping a book.
300
Above what decibel level can sounds hurt your ears?
85 dB
300
What do sound waves for a really loud sound wave look like? (Draw them!)
Sound waves for a really loud sound are very tall.
400
What part of the ear is the cochlea found in?
The cochlea is found in the inner ear.
400
What kind of vibrations does a low pitched sound have?
Slow vibrations.
400
What part of the ear sends the message that a sound has been heard to the brain?
a. cochlea
b. auditory nerve
c. pinna
d. hammer
The
b. auditory nerve
sends the message to the brain that a sound has been heard.
400
What is one way that we can protect our ears from being damaged?
Answers may vary. (Stay away from loud noises, cover ears/wear ear plugs when you are around loud noises, don't put things in your ears, don't listen to loud noises)
400
What do sound waves for really quiet sound look like? (Draw them!)
Sound waves for a really quiet sound are very short.
500
In what order does sound travel through the ear?
a. cochlea, pinna, eardrum
b. eardrum, pinna, cochlea
c. pinna, eardrum, cochlea
d. pinna, cochlea, eardrum
Sound travels through the ear in the following order:
c. pinna, eardrum, cochlea
500
During our elastic band experiment, what size of elastic made a low pitched sound?