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Sound Quiz

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Quiz on Sound Quiz, created by Jeffrey Piggott on 26/11/2017.
Jeffrey Piggott
Quiz by Jeffrey Piggott, updated more than 1 year ago
Jeffrey Piggott
Created by Jeffrey Piggott about 7 years ago
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Resource summary

Question 1

Question
Sound is caused by:
Answer
  • transverse waves
  • longitudinal vibrations
  • heat
  • air

Question 2

Question
Elephants can make sounds of high intensity. These sounds will be:
Answer
  • quiet
  • high pitched
  • soft
  • loud

Question 3

Question
The tweeting sound made by a small bird has a pitch that is:
Answer
  • soft
  • high
  • low
  • quiet

Question 4

Question
If a piece of metal is vibrating at 2 cycles per second, it:
Answer
  • makes one complete backward and forward movement each second
  • makes two complete backward and forwards movements each second.
  • makes four complete backward and forwards movements each second.
  • takes two seconds for it to make one complete backward and forward movement.

Question 5

Question
The piece of equipment that is used to show sounds as waves is called:
Answer
  • an oscilloscope.
  • a microphone.
  • an amplitude.
  • a trace.

Question 6

Question
Frequency:
Answer
  • is the height of the waves.
  • is the number of waves passing a point each second.
  • is measured in metres.
  • affects how loud a sound is.

Question 7

Question
A loud sound is produced by waves with:
Answer
  • a high pitch.
  • a high frequency.
  • a large amplitude.
  • a small amplitude

Question 8

Question
Which statement is not true?
Answer
  • Light and sound can both be used to send information.
  • Sound travels at the same speed as light.
  • Light travels faster than sound.
  • Some animals use light and sound to communicate.

Question 9

Question
Starting with the slowest, which of the following is the correct order for the speeds of sound travelling through materials?
Answer
  • solid, gas, liquid
  • gas, vacuum, liquid, solid
  • solid, gas, vacuum
  • gas, liquid, solid

Question 10

Question
Sound cannot travel though empty space because:
Answer
  • air particles stay still.
  • there are no particles to vibrate.
  • particles pass on vibrations.
  • electricity sends it through the air.

Question 11

Question
Sound and light energy travel from one place to another as waves. When this happens we say that the energy is:
Answer
  • transpired.
  • transferred.
  • transported.
  • transcommunicated.

Question 12

Question
The ear changes sound energy into:
Answer
  • light energy.
  • electrical energy.
  • noise energy.
  • heat energy.

Question 13

Question
Which part of the ear changes sound energy into another form of energy?
Answer
  • the cochlea
  • the eardrum
  • the auditory nerve
  • the small middle ear bones

Question 14

Question
Which of the following statements about animals is NOT true?
Answer
  • Dogs can hear whistles that we cannot hear.
  • Dolphins and whales use high-pitched clicks to communicate.
  • All animals have the same range of hearing.
  • Bats use their hearing to hunt prey and avoid objects.

Question 15

Question
Which of the following statements is true?
Answer
  • An echo is caused when sound waves are absorbed by a material.
  • An echo is caused when sound waves are reflected.
  • Materials that are good reflectors of sound are called sound insulators.
  • Materials that are good at absorbing sound are called insulators.

Question 16

Question
Which of the following is used to measure the loudness of a sound?
Answer
  • a noiseometer
  • a decibelometer
  • a sound meter
  • a voltmeter

Question 17

Question
Soundproofing works when:
Answer
  • windows in a room are left open.
  • sounds pass easily through the walls.
  • sounds are absorbed by certain materials.
  • the walls in a room are painted black.

Question 18

Question
Look at these drawings of waves. Which statement is true?
Image:
Waves Q (binary/octet-stream)
Answer
  • Y has the highest amplitude.
  • Y has the longest wavelength.
  • X has the highest frequency.
  • Y has the highest frequency.

Question 19

Question
Which statement is not true?
Answer
  • Quiet sounds can harm the ears.
  • The sound near to disco speakers can be louder than a road drill.
  • The eardrum can be damaged by personal stereos.
  • A noisy factory can permanently damage the ears.

Question 20

Question
Sound is less likely to get out of a room which has:
Answer
  • a wooden floor.
  • black walls.
  • soft curtains and a carpet.
  • spotlights.
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