Dr. Licht: Cow Heart - Kindergarten Dr. Starks: Chromotography - 2nd grade Dr. Plotnick: Fossils - 3rd grade Dr. Kerns: Balloons - 3rd grade PN Nature Museum - Kindergarten Dr Knickelbein: Argonne - 4th grade Dr. Bunkers: Liquid nitrogen - 5th grade Shedd Aquarium Mollusk Models