Solid, liquid, gas
Solid (box 1): Tightly packed, no overlaps
Liquid (box 2): Less packed, overlaps, two always have to stick together
Gas (box 3): Less Molecules, not packed = more space for molecules to move
Box 1 Box 2 Box
When a chemical reaction takes place there will be a change in the colour/heat. It will form a solution.
Water + Juice