| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
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Osmosis is the diffusion of water from a dilute solution to a concentrated solution through a partially permeable membrane. |
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What is osmosis? http://highered.mheducation.com/sites/0072495855/student_view0/chapter2/animation__how_osmosis_works.html |
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(WS) Recognise, draw and interpret diagrams that model osmosis. |
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What are the important things to include in a diagram that shows osmosis? A single layer of plant cells is placed on a microscope slide and either distilled water or 5% sodium chloride solution is added to the cells. Osmosis will occur resulting in either turgid cells or plasmolysed cells.
http://www.nuffieldfoundation.org/practical-biology/observing-osmosis-plasmolysis-and-turgor-plant-cells |
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(MS) Students should be able to:
? use simple compound measures of rate of water uptake
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How do you calculate the rate of water uptake? |
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? use percentages
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How do you calculate a percentage? |
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? calculate percentage gain and loss of mass of plant tissue. |
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How do you calculate the percentage gain and loss of mass of plant tissue? |
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(MS) Students should be able to plot, draw and interpret appropriate graphs. |
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What marking points are important to consider when plotting, drawing and interpreting graphs? |
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