What is the outer part of the ear called that acts as a funnel to channel sound? If you don't remember the name of it, you can draw it.
What is the pinna?
100
This word describes how we measure the loudness or softness of sound.
What is volume or decibals.
100
How is sound made?
The movement of air or vibrations.
100
What is one way you can protect your ear?
Avoid loud noises.
100
Someone who is either partially or totally unable to hear sounds?
What is partial or total deafness?
200
The ear canal leads to a sheet of skin that is stretched across the entrance to the middle ear.
What is the ear drum?
200
This a word used to explain the high and low sounds we hear.
What is pitch?
200
How do we know that there is a sound?
Our brain tells us:
Sound travels to our pinna or outer ear, into the ear canal to your eardrum. Your eardrum vibrates those 3 tiny bones called the malleus, incus, and stapes. Your auditory nerve carries the signal to your brain, where you figure out what it is.
200
If you had to block a sound, what material would you use?
a. soil
b. sawdust
c. styrofoam
d. concrete
e. rubber
Styrofoam or rubber ear plugs.
200
What are 2 loud noises that could harm your ears?
What are vacumming, train whistle, jet taking off, ambulance sirons, rock concert, music turned up too loud , your brother screaming in your ear, a chain saw...
300
These are the three bones in the ear.
What is the hammer, anvil, and stirrup?
300
When vibrations are made, these travel through air, liquids, and solids.
What are sound waves?
300
Name other ways people could communicate besides using sound.
What is sign language, charades, written communication...
300
How do you make sound louder?
Increase the volume or amplify the sound.
300
A bird is chirping in the trees. Imagine if you coud see the waves of vibration. Would they be closer together or far apart?
What is close together?!
400
This is the smallest of the 3 bones that make up your middle ear; It measures 2-3 millimeters and is shaped like a “U.”
What is the stirrup bone?
400
If safe sound, like a normal conversation is 50 decibels and a sound that could hurt is measures way higher.
Would the sound of cat purring be a safe or dangerous sound?
Estimate how loud it could be in decibels. It doesn't have to be exactly but it has to make sense.
What is a safe sound at 25 decibals?
400
Using a rubber band and a plastic bowl, you will have 1 minute to practice, they perform the first 3 notes of "3 Blind Mice."
Got it?
400
If safe sound, like a normal conversation is 50 decibels and a sound that could hurt is measures way higher.
Would the sound of cat purring be a safe or dangerous sound?
Estimate how loud it could be in decibels. It doesn't have to be exactly but it has to make sense.
What is a safe sound at 25 decibals?
500
Name a dangerous sound and estimate the decibal level of this sound. If you listen to this for an extended length of time, what could happen?
What is a chain saw or something that is 120 decibals or higher? Permanent hearing loss can occur if you listen to something this loud for an extended amount of time.
500
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?
Skinny elastic=high pitch
Fast elastic = low pitch
500
Sound is something heard by a person. If a tree falls in the forest, and no one is there to hear it, is there a sound?
If a sound has to be heard by a person, then no, there is no sound. But if you successfully argue the definition of sound you might still get these points...
500
I keep my mouth open while I fly to make clicking sounds! This helps me know where my prey is and to know where I am going. When I make a sound, the vibrations go to the objects close around me, the sound reflects off, and then comes back to me. This is called echolocation. Now I know where that tasty moth flew off to! Mmmmm, tasty!