bump and roll
![Photo of a large interactive exhibit that has two chambers where learners can drop water onto cabbage leaves and observe droplets rolling off](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/1634/v2.0_bump_and_roll_1.jpg?h=2422d722&itok=trLDAx92)
Bump and Roll exhibit
An exhibit that was part of the Nanotechnology: What's the Big Deal? exhibition that demonstrates nanomaterial properties using an everyday object: a leaf of cabbage.
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![Formative Evaluation icon with blue background and image of a buckyball structure](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/eval_icon_formative_55.png?itok=mCj1Q9qA)
Bump and Roll 2008 Formative Evaluation
Formative evaluation for the Nanoscale Informal Science Education Network.
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