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You can split up white light with a _____.
The seven colours of light or the rainbow are called a ________.
__________ is the separating of the colours in light, for example when white light passes through a prism.
Coloured light can be made from white light using _______.
In the retina cells called ____ can detect low levels of light, but cannot detect the colour of the light.
In the retina, cells called _____ can detect colours, but cannot detect very dim light.
Red, blue and green are called the _______ colours of light.
Yellow, cyam and magenta are called the _________ colours.
The light beyond violet in the spectrum is called ___________ light.
The colour that we cannot see beyond red light is called ________. We can feel this as heat but we cannot see it.
