1.1 Light and Colour

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Coloured light

An object always reflects light of its colour.

It absorbs all other colours. The reflected light rays enter your eye. That is why we see the colour.

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Lightrays

Light travels in straight lines called light rays.

a light beam is built up of many light rays, there are three types of lightbeams.

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Which are the primary colours of light?

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With which colours of light can you make yellow?

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What is the difference between looking and seeing?

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Now read through page 8 and 9

After reading go and do the exercises 1, 2, 5, 7, 8, 9, 11, 12, 15

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