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In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.

In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.

In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.

In this activity, learners build a simple electrolysis device. Then learners use an indicating solution to visualize hydrogen and oxygen molecules in water.

In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.