Box A States of Matter, Slime - PVA / Guar GumMaterial World Chemistry 2 Experiments, learning and experimenting with polymers, and changing states of matter. Generous materials for 2 experiments for 30 students, or 2 experiments for 60 students working with a buddy. Workbook and teacher materials included. 2 separate experiments designed to make students think differently as they draw similarities and differences between the interesting outcomes.