Lauren M. Anderson - landerson@shawmedia.com Joseph Correa, 13, Sam Debruyne, 13, and Rory Pipia, 14, build their wind turbine during class on Wednesday as part of Engineering Week at Hannah Beardsley Middle School in Crystal Lake.
Lauren M. Anderson - landerson@shawmedia.com McKenna Casey, 13, works with her team on building a wind turbine during Engineering Week at Hannah Beardsley Middle School on Wednesday. The groups tested their wind turbines to see how many pennies could be lifted from the ground.
Lauren M. Anderson - landerson@shawmedia.com Robert Birkhoff, 14, (left) and Emma Costin, 13,(center) watch teammate Raymond Sikula, 13, test their wind turbine by blowing on it Wednesday during Engineering Week at Hannah Beardsley Middle School.
