• Question: How does rain + sun = a rainbow? How are the colours of a rainbow formed?

    Asked by anon-192243 to Sophie, Simon, Kelly on 13 Nov 2018.
    • Photo: Kelly Rushton

      Kelly Rushton answered on 13 Nov 2018:

      A rainbow happens when light from the sun is reflected and refracted by the raindrops in the air. The different colours are caused when the white light is broken up into the different colours of the spectrum.

    • Photo: Sophie Morse

      Sophie Morse answered on 13 Nov 2018:

      For rainbows to happen you need light and a reflective surface (which are the droplets of water). When the light hits the droplets of water it breaks down in a spectrum of different colours which are very impressive.

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