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The Chinese invented paper made from plants and cloth about 2,000 years ago. Learners follow a similar process to make paper from recycled paper.

$5 - $10 per student Ages 8 - 14 4 to 24 hours
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In this activity, learners investigate passive solar building design with a focus solely on heating.

$5 - $10 per group Ages 14 - 18 4 to 24 hours
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Learners shred used paper, add water, and blend it into pulp. They then strain and roll the pulp out to make new paper.

$5 - $10 per group Ages 8 - 18 4 to 24 hours