Filters allow only certain colours of light to pass through and _____ the rest. For example a green filter will only allow _____ light through.
In white light coloured objects reflect some of the light. The rest of the light (colours) is absorbed. Black objects absorbs all the colours. If you have a red coat on it appears red because only red light is reflected.
The primary colours of light are slightly different from those of pigments (paint). The primary colours of light are _____, _____ and _____. When two primary colours are mixed in equal amounts they form the secondary colours. The secondary colours of light are _____, _____ and _____. If all the primary colours are mixed together in equal amounts _____ is formed. By varying the proportions of the three primary colours, any shade can be made. This is how your television screens and even your eye works.
1) What colours of light are absorbed by a red coat?
2) What colours of light are reflected by black trousers?
3) What colours of light are reflected by a white shirt?
4) What colours of light are reflected by a blue jumper?
5) Complete the table below
| Colour of object in white light | Colour of object in coloured light | ||
| Red light | Green light | Blue light | |
| White | |||
| Red | |||
| Green | |||
| Blue | |||
6) What colours of light are reflected by a yellow shirt?
7) What colours of light are reflected by a magenta book?
8) What colours of light are reflected by a cyan pencil case?