P1.5.6 Sound + P1.5.7 Musical Sounds

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  • Created by: Maddi
  • Created on: 30-04-14 16:27
What range of frequencies can be detected by the human ear?
The frequency range of the normal human ear is from about 20 Hz to 20000 Hz.
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What are sound waves?
Sound waves are vibrations that travel through a medium (substances). They cannot travel through a vacuum.
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What are echoes?
Echoes are due to sound waves reflected from a smooth, hard surfaces.
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What determines the pitch of a note?
The pitch of a notes increases if the frequency of the sound waves increases.
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What happens to the loudness of a notes as the amplitude increases?
The loudness of a note increases if the amplitude of the sound wave increases.
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How are sound waves created by musical instruments?
Vibrations created in an instrument when it is played produce sound waves.
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Other cards in this set

Card 2

Front

What are sound waves?

Back

Sound waves are vibrations that travel through a medium (substances). They cannot travel through a vacuum.

Card 3

Front

What are echoes?

Back

Preview of the front of card 3

Card 4

Front

What determines the pitch of a note?

Back

Preview of the front of card 4

Card 5

Front

What happens to the loudness of a notes as the amplitude increases?

Back

Preview of the front of card 5
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