Disappearing lab report

This mystery deals with a laboratory report in which the written results suddenly vanished. The students need to find out how the writing vanished,  how to recover the vanished data, and what the secret of the pen is.

Curriculum links include Energy (exothermic and endothermic reactions), chemical equilibrium, thermodynamics, thermochromic pigments, Le Chatellier’s principle

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This resource is part of Teaching enquiry with mysteries incorporated

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