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In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems.

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

In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

Using simple, inexpensive items, learners build and test submarine models.

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

In this activity, learners explore how the power of the sun can be harnessed to heat and cool a building.

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

In this environmental engineering activity, learners build windmills using everyday items. The first challenge is to build windmills that spin when placed in front of a fan.

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

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 activity, learners explore how wind energy can be generated on both a large and small scale.

This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.