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Mike Tuke’s

A = activity, D = demonstration, E = experiment, Pa = paper exercise,TE = thought experiment. Should be done as I = individual, P = pair, G = group. min = minutes. F = further information.
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Coal Comparing and contrasting A P 10 min Samples of peat, lignite, bituminous coal and anthracite are given to the students and they must describe the similarities and differences between them. Coal series Pa I F 15 min Students plot the carbon, oxygen and hydrogen content of wood, peat, lignite, bituminous coal and anthracite as composite (stacked) bar charts.
further information
Earth Science Activities and Demonstrations