Exploring Size - Scented Solutions

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"Exploring Size - Scented Solutions" is a hands on activity illustrating how small nano is. By sniffing a series of diluted scent solutions, visitors discover that nano-sized particles may be too small to see, but they're not too small to smell!


Big Idea

Nanoscale science focuses on things that are too small to see, including atoms and molecules.

Learning Goals

A nanometer is a billionth of a meter.

Nano Content Map
Nanometer-sized things are very small, and often behave differently than larger things do.


Year created

Developed for the NISE Network with funding from the National Science Foundation under Award Numbers 0532536 and 0940143. Any opinions, findings, and conclusions or recommendations expressed in this product are those of the authors and do not necessarily reflect the views of the Foundation.


Creative Commons Attribution Non-Commercial Share Alike 3.0 United States (CC BY-NC-SA 3.0 US).
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Development Process
NISE Network products are developed through an iterative collaborative process that includes scientific review, peer review, and visitor evaluation in accordance with an inclusive audiences approach. Products are designed to be easily edited and adapted for different audiences under a Creative Commons Attribution Non-Commercial Share Alike license. To learn more, visit our Development Process page.