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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

$1 - $5 per group Ages 14 - 18 2 to 4 hours
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In this activity (on pages 18-28), learners explore how the shape of seeds affects how they are dispersed by wind, birds, ocean currents and other means.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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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 environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.

Over $20 per group Ages 11 - 14 1 to 4 weeks
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How does a green roof, or roof covered by plants, affect the temperature of the inside and outside of a building? Learners design and build houses to find out the answer.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.

$1 - $5 per group Ages 4 - 8 30 to 45 minutes
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In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).

Over $20 per group Ages 8 - 18 1 to 4 weeks