Colours
The links in the Activity column open the activity document in a new window.
Alternatively, right-click on the link (PC Windows users) and use Save Target As...
| Activity | Description | Subject(s) | Level |
|---|---|---|---|
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 |
|
| 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 |
|
| 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 |