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Conductivity As a Water Quality Measurement

CSEF · 2006 Electricity & Electronics

Michael Benner · Terrace Hills Middle School, Grand Terrace

Overview

Objectives/Goals The purpose of this project was to determine if electrical resistance could be used to determine water quality. Methods/Materials Various samples of water were checked for conductivity with a DATAQ datalogger and a 3-volt battery. Results Water with more dissolved solids did conduct electricity better than those with less. Conclusions/Discussion My tests showed that water quality for dissolved solids could be measured with conductivity.

Summary statement

This project tests whether electrical conductivity of dissolved solids in water can be used to indicate water quality.

Competition history

  • CSEF 2006 Electricity & Electronics · Entry J0704

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Source: California Science & Engineering Fair public projects

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