What three bones are in the ear? Answer
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The Ear How it travels Fill in the blanks Label it Explore activities 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500
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What three bones are in the ear? Answer. Hammer, anvil and stirrup. What is special about the three bones in the ear? Answer. They are the smallest bones in the body. What is the outer ear called? Answer. The Pinna. Can people with large ears hear better than people with small ears? Answer. - PowerPoint PPT Presentation
Transcript of What three bones are in the ear? Answer
The Ear How it travels
Fill in the blanks
Label it Exploreactivities
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What three bones are in the ear?
Answer
Hammer, anvil and stirrup
What is special about the three bones in the ear?
Answer
They are the smallest bones in the body.
What is the outer ear called?
Answer
The Pinna
Can people with large ears hear better than people with small
ears?
Answer
No, The part of your ear that is important for hearing is inside your ear, where you can't
see it. The size of the outside part of your ear makes no difference in how well you hear.
What does the ear drum do?
Answer
Sounds make our ear drums vibrate which sends a message to
the brain.
Is this what an ear drum looks like?
What causes sound?
Answer
Sound is caused by vibrations
What is sound used for?
Answer
We use sound to find out what is going on around us. Sound is used to communicate or for pleasure.
In which direction do sound waves travel?
Answer
Sound waves travel away from the source in all directions. It travels in
a circular shape or 360 degrees.
Can sound waves travel through things?
Answer
Yes sound waves must have a medium to travel through. These can be solids, such as wood, steel
or a wall; liquids such as water, juice or pop; or a gas such as air.
What is sound a form of?
Answer
Sound is a form of energy and can make things move.
Can sound waves travel in space? Why or why not?
Answer
Sound waves can not travel through space because sound waves need
something to travel through such as air, water, wood or steel. Space is a
vacuum with nothing to travel through.
What happens when the sound waves move further and further
apart?
Answer
The sound gets harder and harder to hear when the sound waves
moves further apart.
What did we learn from the plastic cup and string telephone
experiment?
Answer
That sounds move through vibrations. We were able to hear what was said into the cup because the sound vibrated up
the string from one cup to the other.
What did we learn from the paper clip experiment?
Answer
That sounds move out from the source and travels in all directions (360 degrees) and the sound gets harder to hear the further
away you are from the source.
We also learned that some people hear better than others.
What did we learn from the comb experiment?
Answer
We learned that sound can travel through liquids such as water,
solids such as wood, and gas such as air.
What did we learn from the slinky experiment?
Answer
That high pitched sounds have short wave lengths that are close together (they are
higher frequency), and sounds with a low pitch have larger waves lengths spaced further apart (they are low frequency).
What part of the ear is this?
Answer
The outer ear or the pinna
The part of the ear you can see. It collects sounds and funnels them into the ear
What part of the ear is this?
Answer
The ear canal
Sounds travel through the ear canal to get from the outer ear to the
middle ear.
What part of the ear is this?
Answer
Hammer
Anvil
Stirrup
The Hammer, the Anvil and the Stirrup.
The three small bones in the inner ear lead the sound striking the eardrum,
further into the inner ear
What Part of the ear is this?
Answer
The semicircular canals
Three half-circular, interconnected tubes located inside each ear. Each canal is filled with a fluid and contains a motion sensor with little hairs (cilia).This part of the ear regulates balance.
What Part of the ear is this?
Answer
Cochlea
The cochlea turns sound vibrations into electrical signals ... these travel along
nerves to the brain.
What are vocal chords?
Answer
Vocal chords are two leathery flaps inside a person’s throat. Normally vocal chords are
separated by a space so air can pass between them and you can breathe. When you use your voice, your vocal chords move close together.
Fill in the blanks.
_________ waves are caught by your fleshy ________ ear.
Answer
sound waves are caught by your fleshy outer ear.
Fill in the blanks.
Sound waves travel into your ear__________ and make the
__________ vibrate.
Answer
Sound waves travel into your ear canal and make the eardrum
vibrate.
Fill in the blanks.
Your eardrum makes the tiny bones in your __________ ear vibrate.
Answer
Your eardrum makes the tiny bones in your middle ear vibrate.
Fill in the blanks
These tiny bones are called the __________, anvil and __________.
Answer
These tiny bones are called the hammer, anvil and stirrup.
Fill in the blanks.
Your inner ear sends the vibrations to your ________ in a signal it can
understand.
Answer
Your inner ear sends the vibrations to your brain in a signal it can
understand.
What did we learn from the find that sound experiment? The one where one partner sat in a chair
with eyes closed.
Answer
We learned how our ears catch sound waves. We have two ears to better
locate where sounds are coming from.
