exploring measurement
![facilitator and young learner use a height chart set in nanometers](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/20100815GH_1826.jpg?h=2e3eca71&itok=Nxmp6Uur)
Exploring Size - Measure Yourself
In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.
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![A facilitator holds a bottle while a learner wafts a scent to her nose](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/ExSci_Chem_20180530_1735.jpg?h=265e640d&itok=moVmabyK)
Exploring Size - Scented Solutions
In this activity, learners sniff a series of diluted scent solutions to discover they can smell nano-sized particles they can't see.
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