This is a highly engaging activity aimed at 11-16 year olds, but which could easily be adapted for younger children. The activity involves producing a simple microscope from a plastic tumbler, cling film and water. By placing water into a cling film well, students create a lens which refracts light and magnifies objects that can be viewed at the bottom of a plastic tube. Students can alter the shape of the lens and the amount of water to see the impact on magnification. The activity sheets include full instructions (with photographs) on how to set up the microscope and also a table of results for students to fill in details of specimen size, image size and calculate the magnification.
For younger students , the second page of the activity sheet provides details of how to set up the microscope; students could then be taken on a nature trail or encouraged to observe small specimens around the room (sweets work well!)
Key words: magnification, activity, microscope, specimen, lens, refraction
For younger students , the second page of the activity sheet provides details of how to set up the microscope; students could then be taken on a nature trail or encouraged to observe small specimens around the room (sweets work well!)
Key words: magnification, activity, microscope, specimen, lens, refraction
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