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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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Making an angle measurer This is easier to use than a protractor on its own. Requirements Protractor, wood 15cm by 2cm by 5mm, Clear plastic strip 10cm by 2cm with a line drawn down the centre. 3 small round headed screws, 1 washer. Instructions Drill 3 holes in the bottom edge of the protractor one of which is in the centre. Use the outer holes to screw the protractor to the wood. Screw the plastic strip to the protractor and wood with the washer between the plastic and the protractor.
Earth Science Activities and Demonstrations