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In this activity, learners make a model of a power plant that uses steam. Learners use simple materials like foil, a tin can, and a pot of water to model a geothermal power plant.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners explore how engineers work to solve the challenges of a society, such as efficient planting and harvesting.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this two-day activity (on pages 16-22), learners use a process like that of the Yoruba people of Nigeria to create an African symbol on cloth.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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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 fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

$1 - $5 per group Ages 8 - 14 1 to 2 hours