125969
Descrição
Quiz por Thomas Shurmer, atualizado more than 1 year ago
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Criado por Thomas Shurmer
quase 11 anos atrás
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Questão 1
Questão
Sound is a form of what
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Energy
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noise
Questão 2
Questão
Sounds are made when things do what
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band together
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vibrate
Questão 3
Questão
Which of the following can sound pass through
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solids
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liquids
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vacuum
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gases
Questão 4
Questão
The speed of sound is faster through materials that have particles that are closer together - true or false
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true
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false
Questão 5
Questão
sound energy moves in all directions because the particles move in all directions unless something stops them - true or false
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true
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false
Questão 6
Questão
the unit of frequency is called what
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decibels
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Hertz
Questão 7
Questão
Sound waves with a high frequency produce sounds with a
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High pitch
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Low pitch
Questão 8
Questão
The amplitude refers to what about a sound wave
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the height of the sound wave
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the distance between each wave
Questão 9
Questão
the loudness of a sound depends on what
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the frequency of the sound wave
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the amplitude of the sound wave
Questão 10
Questão
louder sounds have more or less energy
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less
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more
Questão 11
Questão
louder sounds have bigger or smaller amplitudes
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bigger
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smaller
Questão 12
Questão
sound waves travel through what before entering the ear
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the air
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a vacuum
Questão 13
Questão
sound waves cause the ear drum to do what
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vibrate
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buzz
Questão 14
Questão
the vibrations are passed onto the what
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the cochlea
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the brain
Questão 15
Questão
sounds cause what to vibrate
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the ear drum
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the ear lobe
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the ear canal
Questão 16
Questão
people who are exposed to loud noises for long periods of time are at risk of what
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going blind
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damaging their hearing and going deaf
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getting a head ache
Questão 17
Questão
to avoid loud noise damage people often wear what
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hats
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ear protection
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glasses
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a tie
Questão 18
Questão
unpleasant sound is often called what
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noise
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music
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talking
Questão 19
Questão
your hearing can get bad due to which of the following
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getting old
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listening to loud music
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illness
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mums nagging
Questão 20
Questão
he loudness of a sound is measured in
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decibels (dB)
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volts (V)
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amps (A)
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watts (w)
Questão 21
Questão
The threshold of hearing is what
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the loudest sound we can hear
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the quietest sound we can hear
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none of the above
Questão 22
Questão
soft materials do what
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reflect sound
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absorb sound
Questão 23
Questão
what materials are used for sound proofing
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hard materials
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soft materials
Questão 24
Questão
light energy can travel through space (a vacuum) but sound energy cannot - true or false
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false
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true
Questão 25
Questão
which travels faster light or sound
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light
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sound
Questão 26
Questão
light travels at what speed
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300 meters per second
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300 million meters per second
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3000 meters per second
Questão 27
Questão
sound travels at what speed
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about 330 meters per second
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about 3000 meters per second
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about 3 meters per second
Questão 28
Questão
both light waves and sound waves can be reflected - true or false
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true
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false
Questão 29
Questão
when sound waves are reflected we call it what
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a wave
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an echo
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a noise
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