States of aggregation and phase transitions
Interactive graphic (with animations):
The states of aggregation and phase transitions of substances are illustrated and demonstrated using photos and live-action videos of n-butane as an example.
Information and ideas:
It is easy to obtain n-butane as cigarette lighter gas or as gas for camp stoves. It has a melting point of –138.3°C and a boiling point of –0.5°C.