S1 Science Physics topic Wave terms S1 Science Physics topic
Wavelength The distance from one crest/trough to another Measured in metres (or centimetres)
Task Draw a wave with a wavelength of 20cm
Amplitude The height of a wave measured from the centre Measured in metres Is a measure of how much energy a wave has
Task Draw a wave with an amplitude of 15cm and a wavelength of 12cm.
Frequency Where have you heard the term “frequency” before?
Frequency The number of waves that pass in one second. Measured in hertz, Hz.
Animation BBC Bitesize
Frequency modulation FM Produces higher quality signals
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