demo
![educator in black shirt posing with a thumb up and a thumb down](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8892/what_to_do-10-31-2011_16_lo.jpg?h=15553f9f&itok=KdyVDI8T)
NanoDays Training Materials
Professional development training resources to prepare staff and volunteers to facilitate NanoDays activities.
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![learner with green gloves holds a string of blue slime](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/2973/slime_sq.jpg?itok=OmtGn67D)
NISE Network Program and Activity Templates
Professional development resources for educators from the Nanoscale Informal Science Education Network.
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Surface Area demonstration
In this activity, leaners explore how high surface area to volume ratio causes materials to behave differently by unfolding paper cubes, dropping alka-seltzer in water, and turning potatoes black with iodine.
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