Frequency

Key Stage 3

Meaning

Frequency is the number of waves that pass by in one second.

About Frequency

Frequency is measured in Hertz (Hz).

Water Waves

The frequency of this wave can be found by counting the number of times the red marker oscillates every second.

The higher the frequency the quicker the wave oscillates.

In sound frequency is known as pitch. A high pitch is a high frequency.

In light frequency affects the colour of the light. Red is a low frequency and violet is a high frequency.