TEXT: "From left, Trace Klehm, 13, of Barrington, and Thomas Grant, 13, of East Dundee play a nature version of ""go-fish"" with Jacob Zupan, 11, of Addison at the Forest Preserve District of Kane County's new Creek Bend Nature Center in St. Charles. Sixth- and seventh-graders from Harvest Christian Academy spent a few hours each day of the past week learning at the center as part of a class elective."