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    PBS
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    In this math lesson, learners participate in a variety of activities that give them experience in recognizing, describing, and extending repeating and arithmetic patterns. Learners begin by...

    $5 - $10 per group Ages 6 - 8 1 to 2 hours
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    Community Science Workshop Network
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    In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures. First,...

    1 cent - $1 per student Ages 6 - 18 1 to 2 hours
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    Community Science Workshop Network
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    In this activity, learners construct a device that allows them to view 2-D images in 3-D. These 2-D stereoscopic images are simply pictures of the same thing, taken from two positions some distance...

    Over $20 per student Ages 6 - 11 1 to 2 hours

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