Question 1
Question
Sound is a form of what
Question 2
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Sounds are made when things do what
Question 3
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Which of the following can sound pass through
Answer
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solids
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liquids
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vacuum
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gases
Question 4
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The speed of sound is faster through materials that have particles that are closer together - true or false
Question 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
Question 6
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the unit of frequency is called what
Question 7
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Sound waves with a high frequency produce sounds with a
Question 8
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The amplitude refers to what about a sound wave
Question 9
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the loudness of a sound depends on what
Question 10
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louder sounds have more or less energy
Question 11
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louder sounds have bigger or smaller amplitudes
Question 12
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sound waves travel through what before entering the ear
Question 13
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sound waves cause the ear drum to do what
Question 14
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the vibrations are passed onto the what
Question 15
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sounds cause what to vibrate
Answer
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the ear drum
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the ear lobe
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the ear canal
Question 16
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people who are exposed to loud noises for long periods of time are at risk of what
Question 17
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to avoid loud noise damage people often wear what
Answer
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hats
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ear protection
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glasses
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a tie
Question 18
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unpleasant sound is often called what
Question 19
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your hearing can get bad due to which of the following
Answer
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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
Question 20
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he loudness of a sound is measured in
Answer
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decibels (dB)
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volts (V)
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amps (A)
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watts (w)
Question 21
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The threshold of hearing is what
Question 22
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soft materials do what
Answer
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reflect sound
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absorb sound
Question 23
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what materials are used for sound proofing
Answer
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hard materials
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soft materials
Question 24
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light energy can travel through space (a vacuum) but sound energy cannot - true or false
Question 25
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which travels faster light or sound
Question 26
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light travels at what speed
Question 27
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sound travels at what speed
Answer
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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
Question 28
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both light waves and sound waves can be reflected - true or false
Question 29
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when sound waves are reflected we call it what