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light experiment set - shadow 1

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light experiment set - shadow 1

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light experiment - shadow 1 consists of a portable stand, a strong torch and 6 shapes (small triangle, small circle, small square, big triangle, big circle, big square). This set is useful to show the change of shadow size with the change of the position of light source, shape and screen. It can be used to explain PSLE 2014 question 30.

Memory usage: real: 17563648, emalloc: 17015000
Code ProfilerTimeCntEmallocRealMem