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Learners create a small explosion by collecting hydrogen and oxygen gas together and squeezing them into a flame.

In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.

Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.

In this activity, learners write a secret message in "invisible ink" and then use chemistry to view the writing.

In this physics demonstration, learners will be surprised when a lemon slice appears to magically levitate within a pint glass.

In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar.