This physical and chemical changes (changes in matter) bulletin board is a color-coded set in full color as well as a lesser color option set. The physical changes are on a blue background; the chemical changes are on a green background. The physical changes shown are freezing, melting, tearing, breaking, and dissolving. The chemical changes shown are burning, rusting, bubbles, odor, baking, heat/llight, and frying. The fonts on each change are different and fun. This set is included in my Chan