Sound

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What causes sound and how does sound travel?
Sound is caused by mechanical vibrations in a substance, and travels as a wave?
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Where can sound waves travel?
Sound waves can travel through solids, liquids and gases. Generally, they are fastest in solids and slowest in gases. However, they cant travel through a vacuum
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What type of wave is a sound wave and why?
Sound Waves are longitudinal waves. The direction of the vibrations is the same as the direction in which the wave travels
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What is the range of frequency which can be heard by the human ear?
The human ear can hear frequencies between 20Hz and 20,000Hz.
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What are echoes?
Echoes are the production of the reflection of sound waves
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Can sound waves be diffracted and refracted?
Sound waves can be both diffacted and refracted
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Other cards in this set

Card 2

Front

Where can sound waves travel?

Back

Sound waves can travel through solids, liquids and gases. Generally, they are fastest in solids and slowest in gases. However, they cant travel through a vacuum

Card 3

Front

What type of wave is a sound wave and why?

Back

Preview of the front of card 3

Card 4

Front

What is the range of frequency which can be heard by the human ear?

Back

Preview of the front of card 4

Card 5

Front

What are echoes?

Back

Preview of the front of card 5
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