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Make your own spectroscope
In association with The Solar Spark at the University of Edinburgh
Source: © Shutterstock
Make a “rainbow in a box” using card and a CD.
Visible light can be split up into all the colours of the rainbow. When you see a rainbow in the sky, the visible light from the sun is split up by the raindrops in the air. We can also use prisms or things called diffraction gratings to split the light up too.
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