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In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.

Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.

In this activity, learners explore how watermills have helped harness energy from water through the ages.

In this activity, learners explore the function and engineering of dams and how dams have many uses and solve many problems in the world.

In this outdoor, freshwater activity, learners explore the behavior and food preferences of crawdads (or crabs) by "fishing" for them with various baits.

In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in two different landscape scenarios.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.