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| Middleburgh High School students Bob Kerley and Tyler Hoerz using Vernier equipment to analyze water samples. | Middleburgh student Courtney Diefenbach reviews the protocol for calibrating the pH probe with fellow students Bob Kerley and Tyler Hoerz. |
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| Middleburgh High School Chemistry teacher, Matt Bender, showing
students how to use the Vernier probes with a Texa Instruments calculator. |