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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 lab (Activity #1 on page), learners explore how we see color.

In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

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.