clean
![Two learners measure out water into a beaker](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/ExSci_Chem_20180530_2046.jpg?h=71f00b63&itok=sx-v509j)
What’s in the Water
In this activity, learners investigate what chemicals and compounds can be found in a sample of water using a variety of tools and techniques.
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![Scientific Image - Cornell Nanoscientists in clean room](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/CNF_DuffieldLab-2.jpg?h=43cf1462&itok=FRQVrB5b)
Scientific Image -Nanoscientists Working in a Clean Room
Photographs of scientists working in the Cornell NanoScale Science & Technology Facility.
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![Oil spill video activity two comparison cups of oil, water, and sand](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/Oil%20spill%20screenshot5.png?h=b0cfd8ab&itok=rNkVSAGX)
Oil Spill Clean Up Simulation
In this activity, learners use natural sand and hydrophobic sand to learn about oil spills and cleanup.
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![Nanoscientist dressing to go into a clean room with a white suit, gloves, and protective eyewear](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/12684/nanoscientist_dressing_lores.jpg?h=38ad5ba1&itok=p4pa0cZQ)
Clean Room Lab Tour Videos
Educational videos providing tours of nanofabrication labs and clean rooms.
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![Learners pour beads into a sieve filter to sort by size](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8883/20110918gh192.jpg?h=4de69ae3&itok=Bn5ClXkh)
Exploring Size - Ball Sorter
In this activity, learners use sieves with different-sized holes, to sort balls by size and investigate filtering.
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![Oil coating demonstration on a lense that is oleophobic](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8442/20110602-0144_1.jpg?h=f6bd618b&itok=qUDd-JR8)
Oleophobic Surfaces - Anti-Graffiti Demo
In this activity, learners explore several surfaces that display oleophobic properties due to material science research at the nano scale.
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![Water being poured into a Glass - iStock photo](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8419/istock_glass_of_water.jpg?h=3deb336f&itok=_qjQOkFW)
Cleaning Our Water with Nanotechnology
In this stage presentation, learners experience demonstrations about how we can make contaminated water safe to drink using a variety of technologies.
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