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    Lawrence Hall of Science
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    In this outdoor activity, learners design devices that will catch prey or gather plants. After testing their devices, learners investigate the food-gathering adaptations of animals in their...

    Over $20 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into using indicator species to assess the health of an environment. Groups of learners will collect as many frogs as they can...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    PBS
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    In this math activity, learners use a variety of sensory modalities to gain experiences with identifying, describing and creating repeating patterns. Learners read and act out the book, "Brown...

    Over $20 per group Ages 4 - 6 1 to 2 hours
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    NOAA
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    In this activity, learners explore the factors that tend to resist changes in pH of the ocean and why the ocean is becoming more acidic. This lesson guides inquiry into some properties of the ocean...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    4-H
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    In this ecology activity, learners make a model water-based ecosystem called a terraqua column. The column (in a large soda bottle) includes pond water, duckweed, sand or gravel, and small snails....

    Over $20 per group Ages 11 - 14 1 to 2 hours