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In this activity, learners use a pneumatic trough (see related activity) to generate and collect pure oxygen.

In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.

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

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