Colours

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List of Activities
Activity Description Subject(s) Level

It looks good enough to eat

Food colourings are often added to make food look attractive and enhance its appeal. Students look ata range of food colourings and colours found in foods such as beetroot and cabbage. The effects of pH on these coloured compounds are investigated.

Science

Food Technology

KS3 and above

How do you colour a jelly baby?

The manufacturers of jelly babies add colours to these sweets.In this investigation, students remove the colours from different jelly babies and use it to dye a pieces of wool.

Science

Food Technology

KS3 and above

Chromatography

Students produce a chromatogram using the colour extracted from jelly babies in the practical C2. This shows that food colours are often mixtures containing several different pigments.

Science

Food Technology

KS3 and above