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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 how wind energy can be generated on both a large and small scale.

In this activity, learners explore how packaging engineers develop customized shipping and packaging containers to meet the needs of many different industries.

In this great hands-on activity, learners use patterns to make a teepee from newspaper that they sit inside.

In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.

In this activity, learners are challenged to build a bird feeder using recycled materials from home and are encouraged to problem solve during the extensions.

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.

Build and test a scale model of a rainforest canopy walkway.

In this activity, learners are invited to imagine the park of their dreams!

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

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

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

In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

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

In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.

In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.

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

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

In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation.

In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.