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

Create gas with a glass of water, some wire, conductors and a battery! You will be separating water (H2O) into oxygen and hydrogen.

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

Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.