Answer:

Put Substance required to your teacher

mixture is advance while you are in experiment use calculator or Science Table Content

And Melting

Observe your Experience in your experiment

which about for example Chocolate is advance

to melt than other Object

Boiling - Which Observe your Experience while on cooking or put some water and I explain

That one later

Boiling is a kind of Object which have once

like your coffeee did not have boiled water it's waste your time and your coffee will be solid or

nothing to do is Completely your idea