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    Twin Cities Public Television
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    In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    In this activity, learners explore how to stay fit the fun way. Learners participate in three physical activities. Learners then design an experiment to determine which activity offers the highest...

    free Ages 8 - 14 45 to 60 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners play the role of materials engineers as they test the flexibility of different materials. They determine the strength-to-weight ratio of bars of these materials (e.g., steel, aluminum,...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this online activity, learners partner up to complete several physical exercises and assess their starting fitness level. Over the course of 6 weeks, learners practice the activities and record...

    1 cent - $1 per student Ages 8 - 11 1 to 12 months
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    University of Illinois Urbana-Champaign
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    In this activity, learners demonstrate the effects of cold-working (strain-hardening) and annealing. Learners discover that these processes change the load that a wire can support. Safety notes:...

    $1 - $5 per group Ages 14 - adult 2 to 4 hours
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    Children's Museum of Indianapolis
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    In this activity, learners explore the importance of active play. Parts A and B of this experience provide learners with a variety of active play options for indoors and outdoors that promote...

    1 cent - $1 per group Ages 4 - 8
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    University of Illinois Urbana-Champaign
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    In this activity, learners determine the elastic and plastic properties of different types of metal wires. Learners discover that wires of the same gauge, but made of different metals, typically...

    $1 - $5 per group Ages 14 - adult 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e. keep things the same shape but change the...

    $10 - $20 per group Ages 4 - 14 45 to 60 minutes
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    IEEE
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    In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy. Learners work in pairs to evaluate, design, and...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    NASA
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    In this activity, learners will train to increase bone strength and to improve heart and other muscle endurance by performing jump training with a rope, both while stationary and moving. Learners...

    free Ages 8 - 14 1 to 4 weeks

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