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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 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 sensors and focus specifically on how to measure humidity using a sensor.

In this activity, learners discover how NASA engineers develop experimental aircraft.

As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture.

Learners observe and discuss a simple model of a wet scrubber, a device for cleaning industrial air pollution.

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 moving air and the physics of lift and drag by constructing homemade wind tunnels.