14499191
Description
Flashcards by Saliha Sadik, updated more than 1 year ago
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Created by Saliha Sadik
over 5 years ago
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| Question | Answer |
| What is sound energy? | Energy that travels as vibrating waves and can be heard by our ears as sound. |
| What does kinetic energy transferred into? | It’s transferred from air particle to air particle as sound wave travels. |
| What are some examples of objects that vibrate? | *the food of skin making up your vocal cords vibrate when air from the lungs pushes through them. *the vibrating ops of a trumpet player make the air inside the trumpet vibrate. |
| What is an echo? |
An echo is a sound that is repeated because the sound waves are reflected.
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| What is pitch? |
How low or high s sound is the after particles producing the sound vibrate, the higher the pitch.
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| What is frequency? |
The number of waves that travel past a given point per second.
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| What is frequency measured with? | Frequency is measured I’m a united called hertz (Hz). |
| What is wavelength? |
The length of one complete wave, measured in metres.
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| What is loudness measured with? | Loudness is measured in a unit called the decibel (dB). |
| Scale of loudness. |
Enter text here...
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| What is wave motion? |
It stays in the same stop and the energy is transferred from one to another until it has passes around the stadium.
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| What is acoustics? |
the branch of physics concerned with the properties of sound.
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| What is the speed of sound in water? |
Speed of water is 1498 metres per second.
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| Why can’t sound travel in space? |
Its not possible for sound to travel in space because in space there is no material or particles to vibrate and transfer energy.
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