Spellzone list 

Key words for GCSE Physics.
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transverse |
A transverse wave is where the vibrations are at right angles to the direction of travel.
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wave |
A transverse wave is where the vibrations are at right angles to the direction of travel.
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longitudinal |
A longitudinal wave is where the vibrations are parallel to the direction of travel.
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ripple |
A ripple is a small wave on a surface.
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compression |
A compression is when the particles in a longitudinal wave are closer together than average.
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rarefaction |
A rarefaction is when the particles in a longitudinal wave are further apart than average.
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amplitude |
The maximum displacement of a point on a wave is called the amplitude.
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displacement |
Displacement is the distance and direction something moves.
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wavelength |
A wavelength is the distance from a point on one wave to the same point on the next wave.
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frequency |
The frequency is how many waves pass through a set point in a second.
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Hertz |
The unit of frequency is the Hertz.
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wave |
Wave speed is calculated by multiplying frequency and wavelength.
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speed |
Wave speed is calculated by multiplying frequency and wavelength.
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period |
The wave period is calculated by dividing one by the frequency.
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