NDLI: Water Remediation Lab

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Water Remediation Lab

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Ray, Jessica Balcerzak, Phyllis Williams, Barry Samson, Carleigh
Copyright Year	2013
Description	Students measure the effectiveness of water filters in purifying contaminated water. They prepare test water by creating different concentrations of bleach (chlorine-contaminated) water. After passing the contaminated water through commercially available Brita® water filters designed to purify drinking water, students determine the chlorine concentration of the purified water using chlorine test strips and measure the adsorption of chlorine onto activated carbon over time. Students measure the effectiveness of water filters in purifying contaminated water. They prepare test water by creating different concentrations of bleach (chlorine-contaminated) water. After passing the contaminated water through commercially available Brita® water filters designed to purify drinking water, students determine the chlorine concentration of the purified water using chlorine test strips and measure the adsorption of chlorine onto activated carbon over time. They graph and analyze their results to determine the effectiveness of the filters. The household active carbon filters used are one example of engineer-designed water purification systems.
Language	English
Access Restriction	Open
Rights Holder	Washington University in St. Louis Regents of The University of Colorado
Subject Keyword	Chemistry Measurement Physical Science Problem Solving Reasoning and Proof Science and Technology Activated Charcoal Adsorption Groundwater Chlorine Contamination Remediation Water Quality Contaminant Purification Activated Carbon Drinking Water Groundwater Contamination Environmental Engineer
Content Type	Text
Time Required	PT45M
Education Level	Class VII Class VIII Class IX
Pedagogy	Experimental Activity
Resource Type	Hands-on
Subject	Physics Chemistry Geometry Technical

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