Microscale chemistry: some reactions of carbon dioxide

Create carbon dioxide from marble chips and acid, then test for its reaction with barium hydroxide by observing the carbonate precipitate

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Smartphone spectroscopy: Beer–Lambert law
Use your smartphone to measure changes in concentration across different concentrations of squash at home or in the classroom. Use your results to predict the concentration of an unknown dilution of squash.
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Use this tutorial, including a video demonstration, to help post-16 students learn about equilibrium, the Gibbs free energy and the feasibility of reactions.
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Try this tutorial with accompanying videos to help teach students on post-16 courses about the concept of entropy and the second law of thermodynamics.