Detecting sound Flashcards

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1
Q

What is a pinna

A

Outer part of your ear that directs the soundwave into your auditory canal towards your ear drum.

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2
Q

How do you hear

A

Your ear detects soundwaves (your ear is your body’s microphone)

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3
Q

What makes up the outer ear

A

The pinna, auditory canal and ear drum

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4
Q

What are ossicles

A

They make up your middle ear, tiny bones that amplify sound ( makes the sound louder)

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5
Q

What is a cochlea

A

Snail shaped tube in your inner ear. They help you to hear and contain thousands of tiny hairs.

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6
Q

What is a auditory nerve

A

An electrical signal that travels to the brain, helps you to hear.

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7
Q

Inner ear meaning

A

The cochlea and semi-circular canals (help you balance) make up your inner ear.

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8
Q

Decibels

A

Measure sound intensity (loudness)

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9
Q

How can you damage your hearing

A

A build up of ear wax or very loud sounds or hear injuries.

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10
Q

Reducing damaging your ear

A

Wear ear defenders, reduce the build up of ear wax and do not poke things up your ear

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11
Q

How does a microphone work

A

Soundwaves hit a flexible plate called a diaphragm this vibrates like your ear drum and produces a signal.
You can use an amplifier to make the sound louder, loud speakers convert the electrical signal back into sound and they vibrate

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