pptx, 5.44 MB
pptx, 5.44 MB
docx, 320.19 KB
docx, 320.19 KB

Investigate the effect of a range of concentrations of salt or sugar solutions on the mass of plant tissue. NB: RP 2 for combined science

AQA spec link: 4.1.3.2
Relevant chapter: B1 Cells and organisation. AQA Biology third edition textbook-Page 16-17

In doing this practical students should cover these parts of the apparatus and techniques requirements.
Biology AT 1 - use appropriate apparatus to record mass and time.
Biology AT 3 - use appropriate apparatus and techniques to observe and measure the process of osmosis.
Biology AT 5 - measure the rate of osmosis by water uptake.

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