Grammar correction:
Your sentence: 'What melts into glassy liquid for glassware?'
Better: 'What melts into a glassy liquid to make glassware?'
The corrected sentence is clearer because it uses 'a' before 'glassy liquid' and 'to make' to show purpose.
Simple answer for a 6‑year‑old:
Glass mostly comes from sand. When people heat sand with a few other things (like soda and lime) it gets so hot that it turns into a thick, shiny, glassy liquid — kind of like very hot, runny honey that sparkles.
What they use:
- Sand (this is mostly a mineral called silica)
- Soda (helps the sand melt more easily)
- Lime (helps the glass be strong)
How it works (easy steps):
- Put the sand and other ingredients into a very hot furnace.
- They melt into a thick, glassy liquid.
- People shape the liquid (blow it, pour it) into cups, bottles, or windows.
- When it cools down, it becomes hard and clear — that is glass.
Safety note: This needs a very, very hot oven and is done in factories. Don’t try to melt glass at home.