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    University of Illinois Urbana-Champaign
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    In this activity, learners investigate the basic crystal structures that metal atoms form. Learners construct models of crystals using Styrofoam balls and learn about hexagonal close packing (HCP)...

    $5 - $10 per student Ages 14 - adult 45 to 60 minutes
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    University of Illinois Urbana-Champaign
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    In this activity, learners use pop-beads to understand the characteristics and properties of polymer chains. Learners discover how cross-linked polymers behave differently than non-cross-linked...

    $5 - $10 per student Ages 14 - adult 10 to 30 minutes
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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 identify different classes of matter based on physical properties. This lab activity introduces the key ingredients of concrete and provides a deeper understanding of the...

    $5 - $10 per group Ages 14 - adult 45 to 60 minutes
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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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