1
Q
What is sound cause by?
A
Sound is cause by something vibrating
2
Q
What is sound a form of?
A
Energy
3
Q
How does sound travel?
A
In waves through particles
4
Q
What does sound travel through the quickest?
A
Sound travels through solids quicker than liquids and gases. This is because all the particles in a solid are compact and close making it easier for the sound wave to vibrate through them.
5
Q
What is frequency?
A
The number of waves per second
6
Q
What is amplitude?
A
The distance that particles move when a sound wave passes
7
Q
How do you calculate speed?
A
Speed = distance ➗ time
8
Q
What is the decibel unit?
A
The decibel unit is used to measure the intensity/loudness of a sound.
Physics Year 8
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