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In this activity, learners discover if carbon dioxide has an effect on temperature.

In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor.

In this demonstration, learners will be "wowed" as three matches burn to form a triangular pyramid shape and "magically" rise off the table.

Conduct a simple experiment to explore how temperature changes can make things expand or contract.