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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry-based challenge related to motion and design optimization. Groups of learners will use construction paper to build a model bobsled run for a...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    Twin Cities Public Television
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    In this activity, learners will use food cans of many different properties (sizes, shapes, and weights) and set two cans on their sides at the top of a ramp. Learners will make predictions about...

    free Ages 8 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity and/or field trip, learners investigate the behavior of hopping animals. Learners collect crickets, grasshoppers, frogs, and/or beach hoppers, to observe their behaviors in...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek. Learners will examine...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale. When wind pushes against a model...

    Over $20 per group Ages 11 - adult 2 to 4 hours
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF) is a full inquiry investigation into design optimization. Groups of learners will construct a basic sail car out of a fast-food sandwich container, some wooden...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    Lawrence Hall of Science
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    In this outdoor activity and fun race, learners first find the most common type of tree in a forest site. Learners use a "transect," a kind of sampling technique, to estimate the number...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners dig for and collect isopods (sometimes known as "roly-poly bugs" or "potato bugs" and other names). Learners have fun discovering that there...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch...

    free Ages 6 - 14 5 to 10 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 boat hull design. Groups of learners will use empty half-pint milk cartons to fashion models of different boat shapes. Then...

    $10 - $20 per group Ages 8 - 14 4 to 24 hours

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