The Illinois Tech Chemistry Department and American Chemical Society Chemistry Club will perform a Chemistry Show to welcome in the spring on Thursday, April 7, 2016 from 12:50-1:30 p.m. in Wishnick Hall Auditorium. Some of the demonstrations planned include a “chemical traffic light,” “blooming crystals,” and a scientific explanation for the former chemical used in dyeing the Chicago River green. Pizza and drinks will be served.