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    In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan. Learners...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes
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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
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    In this fun group activity involving music and movement, learners are introduced to the idea that many insects walk by using their legs to create "alternating triangles." Learners sing...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes

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