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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 lesson that includes hands-on activities and demonstrations, learners discover that it is the tilt of the Earth's axis (not its proximity to the sun) that causes the seasons.

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

In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials.