surface
![A ball sitting on top of many gold tees](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/10474/screen_shot_2012-06-06_at_4.35.42_pm.png?itok=rOEbkvjK)
Nanocoatings
In this O Wow Moments video, Mr. O takes a closer look at nanocoatings and how they change the properties of materials.
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![Small science big deal table sign](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8893/nanotechnology_sign.jpg?h=cd9660ee&itok=p9aX_LaJ)
Nanotechnology: Small Science, Big Deal!
This longer activity combines multiple NanoDays activities with a companion side presentation about nanotechnology.
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![Facilitator standing next to a erupting bottle of soda](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/6685/screenhunter__apr._2202.jpg?h=955d4836&itok=PQmY3XJu)
Mentos and Soda Explosion
In this stage presentation, learners experience a dramatic and messy demonstration on the effects of surface area.
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