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Who Goes There?
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In this outdoor, night activity, learners track nocturnal animals' footprints, droppings and other signs of their presence.

Lilliputian Landscaping
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In this activity, learners examine the different materials gardeners add to their soil, and discuss how these materials are important for plant growth.

Heart of the Matter
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In this activity, learners explore the concept of valve operation and how engineers have adapted valves for use in mechanical heart valve design.

Composting
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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.

Lupine and Butterflies
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In this two-part activity about the connection between the lupine plant and butterflies, learners first read "Miss Rumphius," a storybook about lupine by Barbara Cooney.

Monitoring Amphibians
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In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.