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In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

$1 - $5 per group Ages 6 - 18 30 to 45 minutes
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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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This activity (located on page 3 of the PDF under GPS: Temperate Rain Forest Activity) is a full inquiry investigation into tree growth rates.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.

$10 - $20 per group Ages 8 - 18 1 to 2 hours