Photosynthesis Experiments

Science Practicals: GCSE, topic 1.1.8

Measuring the Rate of Photosynthesis

The rate that pond weed produces bubbles indicates the rate of photosynthesis. The bubbles released are oxygen, a waste product of photosynthesis.

Test yourself on Photosynthesis Experiments

  • Light intensity can affect the rate of which process in plants such as pondweed?

  • The bubbles used to measure the rate of photosynthesis in pondweed are full of which gas?

  • Which of these is NOT a variable that should be controlled when testing the effect of light intensity on plant photosynthesis?

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