125969
Beschreibung
Quiz von Thomas Shurmer, aktualisiert more than 1 year ago
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Erstellt von Thomas Shurmer
vor fast 11 Jahre
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Frage 1
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Sound is a form of what
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Energy
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noise
Frage 2
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Sounds are made when things do what
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band together
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vibrate
Frage 3
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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
Frage 4
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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
Frage 5
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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
Frage 6
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the unit of frequency is called what
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decibels
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Hertz
Frage 7
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Sound waves with a high frequency produce sounds with a
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High pitch
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Low pitch
Frage 8
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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
Frage 9
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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
Frage 10
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louder sounds have more or less energy
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less
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more
Frage 11
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louder sounds have bigger or smaller amplitudes
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bigger
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smaller
Frage 12
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sound waves travel through what before entering the ear
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the air
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a vacuum
Frage 13
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sound waves cause the ear drum to do what
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vibrate
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buzz
Frage 14
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the vibrations are passed onto the what
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the cochlea
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the brain
Frage 15
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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
Frage 16
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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
Frage 17
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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
Frage 18
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unpleasant sound is often called what
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noise
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music
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talking
Frage 19
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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
Frage 20
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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)
Frage 21
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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
Frage 22
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soft materials do what
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reflect sound
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absorb sound
Frage 23
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what materials are used for sound proofing
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hard materials
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soft materials
Frage 24
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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
Frage 25
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which travels faster light or sound
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light
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sound
Frage 26
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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
Frage 27
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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
Frage 28
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both light waves and sound waves can be reflected - true or false
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true
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false
Frage 29
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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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