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Drain Game
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In this activity (on pages 36-39), learners make a model of a watershed out of paper, then run water down the mountain to simulate how rainfall and pollution affect watersheds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-483.png?itok=PpYATJKt)
Kelp Critters
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This marine biology activity (on pages 11-17) introduces learners to kelp (seaweed) forests that grow in the ocean and are home to many species of sea animals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-468.png?itok=dwsmggV4)
Vital Signs
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This activity (on pages 16-23) lets learners measure each other's vital signs—the signs that help doctors understand what's going on in a patient body.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-479.png?itok=6xbE7X0v)
Walk On Water Bugs
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In this activity (on pages 29-35), learners examine water pollution and filtration.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-485.png?itok=9Ttm27px)
Tracking Otters
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This activity (on pages 38-43) has learners simulate the way scientists track and map the movement of otters in the wild using radio trackers.
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Mating Game
Source Institutions
In this game (on pages 14-21), learners explore how each human being inherits genetic traits such as eye color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-498.png?itok=XQ8RvNJ4)
Everyday Poisons
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This reading and writing activity (on pages 2-9) teaches what plant parts should be avoided, how a person can get rid of toxins, symptoms of plant poisoning, and how plants create poisons to repel pre