Sound Waves Flashcards

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1
Q

How do humans make sounds

A

we have two falps across our windpipe (trachea)

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2
Q

what does our trachea do

A

they vibrate when air passes across them

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3
Q

what is speed

A

speed is how far something travels in a certain amount of time

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4
Q

how is speed mathematecally written

A

speed = distance over time

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5
Q

how are sound waves produced

A

when an object vibrates, creating a pressure wave

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6
Q

how are sound waves caused

A

Vibrating objects

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7
Q

the volume of sound can be measured in what

A

decibels

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8
Q

why does the human ear get damadged if it hears over 120dB

A

it can wip out our myelin sheath which is a protective coat around our ear

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