| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
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Students should be able to explain how temperature, water and availability of oxygen affect the rate of decay of biological material. |
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What three factors affect the rate of decay of biological material? |
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Students should be able to calculate rate changes in the decay of biological material (MS) |
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Students should be able to translate information between numerical and graphical form (MS) |
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Students should be able to plot and draw appropriate graphs selecting appropriate scales for the axes. (MS) |
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Gardeners and farmers try to provide optimum conditions for rapid decay of waste biological material. |
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Name two groups of people would want to provide optimum conditions for rapid decay of waste biological material. |
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The compost produced is used as a natural fertiliser for growing garden plants or crops. |
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Why would gardeners and farmers want to provide optimum conditions for rapid decay of waste material. |
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Anaerobic decay produces methane gas. Biogas generators can be used to produce methane gas as a fuel. |
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Under what conditions can decay produce methane that can be used a biogas fuel? |
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Required Practical 10 - Rate of Decay (AT skills 1,3,4,5) |
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Required practical - decay (separates only.) |
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