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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.

In this activity, learners explore and compare the buoyant properties of materials found in nature and in human-made materials.

In this experiment, learners float colored ice cubes in hot and cold water.

In this activity, learners investigate convection by using food coloring and water of different temperatures.

In this activity, learners experiment with surface tension using everyday household items such as strawberry baskets, paperclips, liquid dish soap, and pepper.

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.