However, the liquid is quickly heated and starts to expand. It expands more than the solid glass and so the water level rises back to A and then up to, and beyond, C. Molecules within gases are ...

to ice (solid). Explain that another change in state is when liquid water cools enough and freezes to form ice. Instead of changing from a liquid to a gas, like in evaporation, the water molecules ...

After melting, the water molecules are closer together than they were as ice. As a liquid, the molecules are more randomly arranged and the molecules are able to slide past each other. As energy is ...