Changes in the state of materials (clip compilation)
This is a compilation of clips set to a background of music and based on the theme of changing materials. It includes images of fireworks exploding, demolition of tower blocks, a volcano and magma flowing, a time lapse sequence of a cake being baked, a candle melting, toffee in both liquid and solid form, melted metal being cast, a rusted metal sculpture, a match burning, wood, coal, a burning building and a forest fire. Reversible and irreversible changes are demonstrated.
Note: There is no narration in this clip.