This is a lesson plan that has been designed and taught to year 8 students. It is taught early in the rock cycle scheme of work and uses salol. Glass rods are dipped in the salol and drops are put on warm, room temperature and cooled (in freezer) glass slides. Crystal size is measured and compared. This model is used to make anologies with rock cooling in the real world. Feedback to my TES inbox please.
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Beware!<br /> The practical set-up part is fine, however metamorphic rocks are sedimentary rocks which have been chemically and physically changed by heat and pressure and not (as stated in the resource) molten rock which has cooled - slate is a metamorphosed form of shale, whereas granite is a slow-cooled igneous rock.
Excellent, would have given 5* just for using a picture of Christopher Reeve!
Looks good. Thanks!
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