A matrix with 4 columns headed oil, cornstarch, sodium chloride, and sodium bicarbonate, and 5 rows. Entries for row headed State of Matter: Liquid, Solid, Solid, Solid. Appearance and Texture: Amorphous, Powdery, Powdery, Powdery. Crystalline Structure (yes or no): No, no, yes, yes. Solubility in Water: none, none, all, mostly. Conductivity (yes or no): No, no, yes, yes.