physics Flashcards

(28 cards)

1
Q

what is the curly part of the ear called

A

cochlea

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2
Q

what leads to all the important stuff in the ear

A

ear canal

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3
Q

what is after the ear canal

A

ear drum

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4
Q

what is above ear drum

A

ear bones

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5
Q

what is at end of ear

A

auditory nerves

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6
Q

what is frequency

A

the number of times per second that a sound pressure wave repeats itself

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7
Q

what are the two types of waves

A

transverse and longitudinal

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8
Q

whats transverse waves

A

In a transverse wave, the vibrations occur are perpidicular to the direction of energy transfer

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9
Q

what is a longitudinal waves

A

the vibrations occur in the same direction as the direction of energy transfer.

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10
Q

what is a trough peak

A

the lowest point below the rest position

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11
Q

what is amplitude

A

a measurement of the amount of energy transferred by a wave

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11
Q

what is wavelength

A

the distance from one crest to another, or from one trough to another, of a wave

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12
Q

what is heat

A

Heat is a type of energy (normally referred to as thermal energy

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13
Q

what is temperature

A

Temperature is a measure of how intense the heat is

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14
Q

what is conduction

A

Conduction is when heat moves from one object to another object through direct touch

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14
Q

what is convection

A

Convection is the method of heat transfer in liquids and gases (but not solids),

15
Q

what is radiation

A

Radiation is energy that moves from one place to another in a form that can be described as waves or particles

16
Q

high notes equal

17
Q

lower notes equal

18
Q

loud notes equal

19
Q

amplitude is

20
Q

quiet notes equal

A

smaller waves

21
Q

wavelength is

22
dependant variable
thing that u measure
23
control variable
thing that stays the same
24
whats does cochlea do
It's filled with fluid that moves in response to sound waves
25
how are sounds created
Sounds are created by a vibrating object – this causes the neighbour-ing particles in the air to vibrate, and a ‘chain effect’ causes the sound to continue to travel.