Year 7 · Science · beta

Separation techniques

This unit covers techniques for separating mixtures, including filtration, evaporation, distillation, and chromatography, as well as identifying pure substances. Conduct experiments safely, record observations, evaluate methods, and suggest improvements.

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 materials change state when they are heated or cooled.
  • Some materials will dissolve in liquids to form a solution, and how to recover a substance from a solution.
  • Dissolving is a reversible state.
  • Use knowledge of solids, liquids and gases to decide how mixtures might be separated.

Source curriculum references

  • 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
  • Simple techniques for separating mixtures: filtration, evaporation, distillation and chromatography
  • The identification of pure substances

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

Loading lessons…