You are here

Northbrook Junior High seventh-graders (from left) Ryan Rossi, Mike Daniel and Matthew Coughlin gather up the invasive prairie plants cleared by their classmates during an ecology day at Techny Prairie Aug. 31. Photos Submitted
Northbrook Junior High seventh-grader Joey Graf evaluates the color of his water sample to determine the level of pH and the relative health of the Chicago River water sample, which runs through Techny Prairie
Submitted Content
5:08 am CDT September 12, 2018
Northbrook Junior High seventh-grade students spent Aug. 31 in a familiar setting learning about unfamiliar things — invertebrates, pH levels in river water and purple loosestrife.