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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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    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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