Answers may vary. (Piccolo, baby crying, thin elastic, dog whistle, etc.)
100
True or False: A mouse squeaking is a loud sound.
False. A mouse squeaking is a quiet 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
What do high pitched sound waves look like?
The sound waves are close together.
200
Where is the pinna located?
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
What do low pitched sound waves look like?
The 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 is wavelength?
Distance between sound waves.
400
What are the tiny hairs in our cochlea called?
Cilia
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?
The auditory nerve.
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 is amplitude?
Height of sound waves.
500
What part of the ear helps us with our balance?
The semicircular canals
500
During our elastic band experiment, what size of elastic made a low pitched sound?
The thick elastic.
500
What does intensity mean?
It is the amount of power or force used to make a sound.
500
What is it called when you can't hear anything?
Deafness
500
What does a really loud sound wave look like?
A loud sound wave has a big amplitude (it is very tall).