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CP5: Photosynthesis Rate

Investigate the rate of photosynthesis in an aquatic plant

Required PracticalEdexcelGCSE

๐Ÿ”ฌ Equipment Required

  • Pondweed (Elodea or Cabomba)
  • Beaker or tank
  • Lamp or light source
  • Metre ruler
  • Stopwatch
  • Thermometer
  • Sodium hydrogencarbonate
  • Boiling tube or gas syringe
  • Funnel
  • Paper clip or weight

๐Ÿฆบ Safety Precautions

  • Take care with electrical equipment near water
  • Allow lamp to cool before handling
  • Wash hands after handling pondweed
  • Be aware of heat from lamp

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About CP5: Photosynthesis Rate

CP5: Photosynthesis Rate is a required practical for Edexcel GCSE Biology. This practical investigate the rate of photosynthesis in an aquatic plant

Students are expected to understand the method, identify and control variables, use appropriate equipment, analyse results, draw graphs, identify sources of error, suggest improvements, and consider safety precautions.

Questions on required practicals frequently appear in Edexcel GCSE Biology exams and can be worth significant marks. Practice with our AI-generated questions to master this practical.

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