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Schemes of Work
QCA

Science at key stage 3    (Year 7)

Unit 7E: Acids and alkalis

QCA

Resources

Resources include:

  • household acids and alkalis (not bleaches), together with containers
  • Hazcards and transport hazard warnings identifying hazards associated with acids and alkalis
  • range of plant material from which indicator dyes can be extracted, eg red cabbage, blackcurrants
  • pH sensor linked to a computer
  • advertisements for products, eg for skin and hair care, which refer to pH
  • indigestion remedies
  • reference sources, including ICT sources, providing information about domestic and everyday uses/problems relating to acids and alkalis

Sections in this unit

This unit is divided into sections. Each section contains a sequence of activities with related objectives and outcomes. You can view this unit by moving through the sections or print/download the whole unit.
1. a. What are acids and alkalis like and where do we use them?
2. b. What are acids and alkalis like and where do we use them?
3. How can acids and alkalis be identified and distinguished from each other?
4. Is there a range of acidity and alkalinity?
5. a. What happens when an acid is added to an alkali?
6. b. What happens when an acid is added to an alkali?
7. Checking progress
8. Where is neutralisation important?
9. Reviewing work