Osmosis lesson created in accordance to the NEW AQA Specification (9-1). I have also included the required practical lesson I created, it includes pictures of each method, sample data and a graph. Designed for a higher ability separates class, although content can be adjusted to suit any ability. Includes: slide animations, practice questions with answers on slides, worksheet.
AQA spec link: 4.1.3.2
Relevant chapter: B1 Cell structure and transport. AQA Biology third edition textbook-Page 16-17
Specification requires students to know the following;
Water may move across cell membranes via osmosis. Osmosis is the diffusion of water from a dilute solution to a concentrated solution through a partially permeable membrane.
Recognise, draw and interpret diagrams that model osmosis.
Students should be able to:
•use simple compound measures of rate of water uptake
••use percentages
• calculate percentage gain and loss of mass of plant tissue.
Required practical activity 3: investigate the effect of a range of concentrations of salt or sugar
solutions on the mass of plant tissue. AT skills covered by this practical activity: AT 1, 3 and 5.
This practical activity also provides opportunities to develop WS and MS. Details of all skills are given in Students should be able to plot, draw and interpret appropriate graphs
AQA spec link: 4.1.3.2
Relevant chapter: B1 Cell structure and transport. AQA Biology third edition textbook-Page 16-17
Specification requires students to know the following;
Water may move across cell membranes via osmosis. Osmosis is the diffusion of water from a dilute solution to a concentrated solution through a partially permeable membrane.
Recognise, draw and interpret diagrams that model osmosis.
Students should be able to:
•use simple compound measures of rate of water uptake
••use percentages
• calculate percentage gain and loss of mass of plant tissue.
Required practical activity 3: investigate the effect of a range of concentrations of salt or sugar
solutions on the mass of plant tissue. AT skills covered by this practical activity: AT 1, 3 and 5.
This practical activity also provides opportunities to develop WS and MS. Details of all skills are given in Students should be able to plot, draw and interpret appropriate graphs
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