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Elementary students experiment with coffee at Brookfield Zoo science fair

From www.chicagotribune.com

Children brewed coffee, made cupcakes and distracted their fellow students to prepare for the regional science fair held at Brookfield Zoo Thursday.

The Chicago Zoological Society, which operates Brookfield Zoo, reported 169 students from 17 schools participated in the West Suburban Consortium for Academic Excellence annual science fair.

Jack Roh, a sixth-grader from Gower Middle School in Burr Ridge, said his experiment comparing the whitening ability of different brands of toothpaste was his parents’ idea.

“My parents are dentists. They always had this question from their patients,” Roh said.

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