125969
Descripción
Test por Thomas Shurmer, actualizado hace más de 1 año
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Creado por Thomas Shurmer
hace casi 11 años
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Pregunta 1
Pregunta
Sound is a form of what
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Energy
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noise
Pregunta 2
Pregunta
Sounds are made when things do what
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band together
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vibrate
Pregunta 3
Pregunta
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
Pregunta 4
Pregunta
The speed of sound is faster through materials that have particles that are closer together - true or false
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true
-
false
Pregunta 5
Pregunta
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
Pregunta 6
Pregunta
the unit of frequency is called what
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decibels
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Hertz
Pregunta 7
Pregunta
Sound waves with a high frequency produce sounds with a
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High pitch
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Low pitch
Pregunta 8
Pregunta
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
Pregunta 9
Pregunta
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
Pregunta 10
Pregunta
louder sounds have more or less energy
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less
-
more
Pregunta 11
Pregunta
louder sounds have bigger or smaller amplitudes
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bigger
-
smaller
Pregunta 12
Pregunta
sound waves travel through what before entering the ear
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the air
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a vacuum
Pregunta 13
Pregunta
sound waves cause the ear drum to do what
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vibrate
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buzz
Pregunta 14
Pregunta
the vibrations are passed onto the what
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the cochlea
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the brain
Pregunta 15
Pregunta
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
Pregunta 16
Pregunta
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
Pregunta 17
Pregunta
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
Pregunta 18
Pregunta
unpleasant sound is often called what
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noise
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music
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talking
Pregunta 19
Pregunta
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
Pregunta 20
Pregunta
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)
Pregunta 21
Pregunta
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
Pregunta 22
Pregunta
soft materials do what
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reflect sound
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absorb sound
Pregunta 23
Pregunta
what materials are used for sound proofing
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hard materials
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soft materials
Pregunta 24
Pregunta
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
Pregunta 25
Pregunta
which travels faster light or sound
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light
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sound
Pregunta 26
Pregunta
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
Pregunta 27
Pregunta
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
Pregunta 28
Pregunta
both light waves and sound waves can be reflected - true or false
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true
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false
Pregunta 29
Pregunta
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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