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In this hands-on activity, learners use heat to shrink samples of polystyrene plastic (#6 recycle code). Learners compare the size and shape of the plastic pieces before and after shrinking.

1 cent - $1 per group Ages 6 - adult Under 5 minutes
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In this activity, learners explore the flexibility of polymer chains by pushing sharpened pencils through a Ziploc bag.

$1 - $5 per group Ages 6 - 18 5 to 10 minutes
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In this activity, learners determine the elastic and plastic properties of different types of metal wires.

$1 - $5 per group Ages 14 - adult 45 to 60 minutes