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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 discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.

In this design challenge activity, learners design and build a solar hot water heater. Their goal is to create a heater that yields the highest temperature change.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.