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Learners explore water's property of cohesion through two investigations.

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

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this Spanish-language chemistry activity, learners use simple materials to explore how fire extinguishers work to put out fires.