Year 9 · Science · beta

Acids and bases

This unit covers acids, alkalis, and their neutralisation reactions, the pH scale, and the reactions of acids with metals and alkalis. It also examines the chemical properties of metal and non-metal oxides. Emphasis is on evaluating risks, using appropriate techniques, and making observations.

This is an attributed Oak National Academy lesson sequence, not a completed or academically approved DASKEREL course. Supporting transcripts may depend on video, images, practical equipment or teacher explanation. Follow each lesson’s supervision guidance. For religious education and RSHE, follow the school’s syllabus, policy and safeguarding procedures.

Prior knowledge

  • Some solids can dissolve to form solutions.
  • New materials are formed as a result of a chemical reaction.
  • One group (or class) of chemical substances is called acids.
  • In a chemical reaction, atoms rearrange themselves to form new substances
  • Word equations are a simple way of describing chemical reactions

Source curriculum references

  • Evaluate risks
  • Use appropriate techniques, apparatus, and materials during fieldwork and laboratory work, paying attention to health and safety
  • Make and record observations and measurements using a range of methods for different investigations; and evaluate the reliability of methods and suggest possible improvements
  • Interpret observations and data, including identifying patterns and using observations, measurements and data to draw conclusions
  • Defining acids and alkalis in terms of neutralisation reactions
  • The pH scale for measuring acidity/alkalinity; and indicators
  • Reactions of acids with metals to produce a salt plus hydrogen
  • Reactions of acids with alkalis to produce a salt plus water
  • The chemical properties of metal and non-metal oxides with respect to acidity

Oak source metadata. DASKEREL has not independently verified school-level coverage.

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