A compilation of clips based on a theme of liquids and solids. The images include photography of ice and glaciers, waterfalls, molten rock and metals. Note: There is no narration in this clip.

First broadcast:
9 October 2007

Useful as an introduction to changes of state and to address the children's initial knowledge by helping to answer questions such as how do we know that is a liquid? A solid? This could lead on to the scientific theory of solids and liquids and their make up of atoms in which children could draw or make examples of atomic composition to describe either a solid or a liquid.