Gallium Metal: Hi, I was wondering what your thoughts were on the use of gallium in schools (Years 7–12) for the purpose of demonstrating the melting point of metals and possibly other experiments.

Gallium Metal: Hi, I was wondering what your thoughts were on the use of gallium in schools (Years 7–12) for the purpose of demonstrating the melting point of metals and possibly other experiments.
This unit of work introduces the concepts of changes in the state of matter.