Solids and Liquids
What happens when materials are heated or cooled.
01What Is a SolidDiscover how solids keep their shape even when you move them.Read lesson →02What Is a LiquidSee how liquids flow and take the shape of their container.Read lesson →03Melting and FreezingWatch what happens to ice, chocolate and butter when they are warmed and cooled.Read lesson →04Heating and CoolingInvestigate how warming and cooling change materials, and how to test fairly.Read lesson →