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Learners construct an electricity-generating wind turbine out of a plastic bottle.

In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).

In this outdoor, beach activity, learners use tennis balls, water balloons and other simple devices to investigate the movement of waves and currents off a sandy beach.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.