video explains evaporation and the difference between slow and fast crystallisation. Perfect video to introduce the topic/science experiment.
BBC bitesize ks3 science chemistry - [ Ссылка ]
![](https://i.ytimg.com/vi/qL44xn8nU_o/maxresdefault.jpg)
video explains evaporation and the difference between slow and fast crystallisation. Perfect video to introduce the topic/science experiment.
BBC bitesize ks3 science chemistry - [ Ссылка ]