True or False?
Sound travels better through air than through solids.
False
Sound travels the best through solids because the particles are so close together.
100
What body part do we use to hear?
The ear
100
True or False?
Pitch is how high or low a sound is.
True
100
Name an animal that can hear higher pitched sounds than humans.
Possible answers:
Bats, cats, dogs, dolphins, robins
200
True or False?
Vibrations only move in one direction.
False.
Vibrations move in all directions.
200
When sound waves are really high, it is a loud sound or a soft sound?
Loud sound
200
What are the three main parts of the ear?
Outer Ear, Middle Ear, and the Inner Ear
200
What is an example of a high pitched sound?
Possible answers:
Baby crying, piccolo/flute, screeching chalk
200
What is the number of decibels that a sound must be over to be harmful to the ears?
85 decibels
300
Is a rocket launch a pleasant or unpleasant sound?
Unpleasant
300
What is the distance between sound waves called?
Hint: It starts with a "W".
Wavelength
300
Name one of the three tiny bones found in the middle ear.
Hint: Remember H.A.S.
Hammer, anvil, or stirrup.
300
What is an example of a low pitched sound?
Possible answers:
Thunder, banging a drum, pounding a hammer
300
Name one way that we can protect our ears from harmful sounds.
Possible answers:
Earplugs, staying away from loud noises, plugging ears with fingers
400
Name an example of a pleasant sound.
Possible answers:
laughing, ocean sounds, piano playing, hummingbird.
400
What is the height of a sound wave called?
Hint: It starts with an "A".
Amplitude
400
Where is the cochlea located?
In the inner ear.
400
In our ruler activity, did a short ruler make a high pitched or a low pitched sound?
High pitched sound
400
What is echolocation?
Echolocation is when an animal creates a very high pitched sound that bounces off objects all around and makes an echo. Animals use it to find food and their location.
500
The larger the vibration, the _________ the sound.
Hint: It is LOUDER or QUIETER?
Louder
500
Is this sound wave an example of a high pitched sound or a low pitched sound?
High pitched sound
500
What do the cilia, that are located in the cochlea, do?
Once the cilia receive vibrations, they send electrical messages to the brain, telling us that we have heard a sound.
500
A low pitched sound has ________ vibrations.
Hint: FAST or SLOW
Slow
500
Bonus Question:
People that have hearing loss or damage wear something special in their ears to help them hear. What are these called?