NDLI: Nanoparticles at Photocatalytic Speed!

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Nanoparticles at Photocatalytic Speed!

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Zamora, Josie
Copyright Year	2017
Description	Students test nanoparticle solutions to determine the best nanoparticle to remove organic compounds from water. They test for the efficiency of photocatalytic nanoparticles to sanitize (or bleach) water by exposing a solution sample with newly made water sanitation filters under UV light (sunlight) to activate the photocatalytic properties of three specific nanoparticles. They visually compare them with control samples to determine the best photocatalytic nanoparticle to sanitize water. Student teams learn how water filtration systems that use nanoparticles and nanotechnology can remove organic compounds from water. First they learn about the role nanoparticles play in water filtration. Then they are introduced to the basics of nanoparticles and nanotechnology, focusing on the impacts and benefits this innovative technology has on our daily lives. Using methylene blue and methyl orange solutions, students test for the efficiency of photocatalytic nanoparticles to sanitize water. They expose a solution sample of water and methyl orange (the microbe indicator) with their newly-made water sanitation filters under UV light (sunlight) to activate the photocatalytic properties of three specific nanoparticles. They visually compare them with control samples to determine the best photocatalytic nanoparticle to sanitize water.
Language	English
Access Restriction	Open
Rights Holder	Regents of The University of Colorado Rice University
Subject Keyword	Chemistry Physical Science Science and Technology
Content Type	Text Video
Time Required	PT45M
Education Level	Class IX Class X Class XI Class XII
Pedagogy	Experimental Activity Lecture cum Demonstration
Resource Type	Hands-on
Subject	Physics Chemistry Technical

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