At the Junior Symposium, Kelly Chang of Twin Grove Junior High School, Buffalo Grove, IL explains her poster "Acidity, Buffers, and Bean Growth" to an interested Victor Hruby.
24_21.jpg
At the Junior Symposium, Kelly Chang of Twin Grove Junior High School, Buffalo Grove, IL explains her poster "Acidity, Buffers, and Bean Growth" to an interested Victor Hruby.
24_21.jpg