Wednesday, February 18th, 2015
Parkway scientists
Photo by Mark Pummell/The Daily Standard

Parkway Middle School physical science students Jalen Croy and Duncan Morton, right, watch for a reaction as they study compounds and elements Tuesday morning. The students are using electrolysis to separate water molecules into hydrogen and oxygen with a 9-volt battery and various electrolyte solutions to find the best conductors for the solution.

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