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Make a Terrarium
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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.
A Degrading Experience
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In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.
Leaves: Designing Leaf Arrangements on a Branch
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In this hands-on activity, learners investigate the functional design of leaves on a tree.