building, quarrying, Explain why peat Observe a block of peat and reduce carbon dioxide Composts: farming, clearing woods should not be burnt. some peat compost. Discuss emissions free’ ‘peat and other activities that what peat is used for and why. compost Evaluate the use of Using prior destroy habitats peat-based fertiliser on plant Demo burning peat. understanding, students the destruction of peat compost growth and oxygen synthesise the Show images of a peat bog, bogs, and other areas of plant pots levels. importance of peat drying and peat being peat, to produce garden Mycorrhiza with the use seedlings. Describe what burnt. compost of fungicides in herbicides and pollution of streams, Demo: Explain why the destruction of agriculture and pesticides are used for. rivers and by peat bogs is harmful to the beakers gardening. sewage, toxic wastes and environment. containing Ask students to plan an fertilisers. different Investigate the growth of plants experiment to measure concentrations of An example of a global in free’ and peat ‘peat the water retention fertiliser impact of human activities is composts. properties of peat and duckweed plants global warming leading to peat-free composts. Discuss the sources and oxygen sensors climate change (Links to Discuss appropriate effects of toxic chemicals; what data loggers. 4.4.1, The Earth's graph to show results pesticides and herbicides are atmosphere). used for. Demo to investigate the effect of fertiliser on growth of duckweed and oxygen levels. Monitor results over next few lessons. WS 1.4 Evaluate given information about ways in which human
building, quarrying, farming, clearing woods and other activities that destroy habitats the destruction of peat bogs, and other areas of peat, to produce garden compost pollution of streams, rivers and by sewage, toxic wastes and fertilisers. An example of a global impact of human activities is global warming leading to climate change (Links to 4.4.1, The Earth's atmosphere). Explain why peat should not be burnt. Evaluate the use of fertiliser on plant growth and oxygen levels. Describe what herbicides and pesticides are used for. Observe a block of peat and some peat compost. Discuss what peat is used for and why. Demo burning peat. Show images of a peat bog, peat drying and peat being burnt. Explain why the destruction of peat bogs is harmful to the environment. Investigate the growth of plants in ‘peat free’ and peat composts. Discuss the sources and effects of toxic chemicals; what pesticides and herbicides are used for. Demo to investigate the effect of fertiliser on growth of duckweed and oxygen levels. Monitor results over next few lessons. WS 1.4 Evaluate given information about ways in which human reduce carbon dioxide emissions Using prior understanding, students synthesise the importance of Mycorrhiza with the use of fungicides in agriculture and gardening. Ask students to plan an experiment to measure the water retention properties of peat and peat-free composts. Discuss appropriate graph to show results Composts: ‘peat free’ compost peat-based compost plant pots seedlings. Demo: beakers containing different concentrations of fertiliser duckweed plants oxygen sensors data loggers.
AQA-8465-SOW-EXCH.DOCX