Unit Award Scheme

demonstrated the ability to

1. recognise a range of household chemicals by their labels and identify which are acids and which are alkalis, eg vinegar, lemon juice, bleach

2. extract dyes from vegetable materials, eg red cabbage, raw beetroot, blackcurrants

3. observe and record the effect of vegetable dye indicators on a variety of common household chemicals, eg vinegar, citric acid, lemon juice, table salt, washing up liquid, sodium bicarbonate

4. use Universal Indicator to identify common household acids and alkalis

5. investigate what happens when an acid is added to an alkali

6. plan a simple, safe investigation to find out which brand of antacid, eg Settlers, Tums, Rennies will best neutralise a given solution of acid

7. make relevant observations in the investigation

8. record the results and make a conclusion

shown knowledge of

9. the pH scale

10. the household use of at least three acids and three alkalis.