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

In this activity, learners will make fish cutouts that propel through the water with the help of surface tension.

In this activity, learners explore how engineering has developed various means to remove impurities from water.

Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.

In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.

In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.