models
![Adult and children sensing and discussing odors in Chemistry Makes Scents activity](https://nisenet.org/sites/default/files/styles/curated_list_large/public/exsci_chem_20180530_2245_0.jpg?itok=EsgAqZNR)
Chemistry Makes Scents
In this activity, learners will use their nose to explore the differences between chemicals with similar structures and use large molecule models to visualize the structural differences.
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![Blue logo for online workshop recordings](https://nisenet.org/sites/default/files/styles/curated_list_large/public/2020-12/online-workshop-recordings-logo.jpg?itok=9FGQyoMy)
Online Workshop Recording: The Science Behind the Earth and Space Toolkit: The Changing Earth
Online professional development workshop recording (2017).
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![A learner and facilitator place a heavy ball in the middle of a fabric stretched well](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/ExSci_Space_Promo_20160717_1608.jpg?h=f68eb11e&itok=bOFNTwNs)
Exploring the Universe: Orbiting Objects
In this activity, learners experiment with different sized and weighted balls on a stretchy fabric gravity well.
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![Young learner in a purple jacket assembles a nanotube model made of plastic rods and spheres](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/20150321GH1_0336.jpg?h=6f8e8448&itok=QYsw8DoV)
Nanotube Models
In this activity, learners will be able to use Molecular Visions model kits to build carbon nanotubes.
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