dry ice
![two learners and a facilitator watch a soapy solution with dry ice make a giant bubble filled with smoke](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/ExSci_Chem_20180219_1380.jpg?h=265e640d&itok=M6PBPQ3w)
Sublimation Bubbles
In this activity, learners explore sublimation by capturing carbon dioxide gas in soapy bubbles sublimated from dry ice.
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![Three children measuring and mixing liquids using pipettes and beakers](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/exsci_chem_20180530_2233-l.jpg?h=7fb2964e&itok=l97gUNw4)
Explore Science: Let's Do Chemistry kit - digital kit
Digital download of all public engagement and professional development files in the Explore Science: Let's Do Chemistry kit.
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![Children engaging with snowflake program](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/catalog/programs/SNOWFLAKE_viz_photo.jpg?h=cb4399e4&itok=RQUnAplj)
Snowflakes: Nano at its Coolest
In this activity, learners watch videos of snowflakes growing, observe real ice crystals growing in a chilled chamber and that snowflakes are examples of self-assembled systems studied by nanoscientists.
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