How is breaking of glass into small pieces a chemical change?
Physical changes do not change the chemical composition of the substance.It is possible to break the glass in a window.The shards of glass can't be made whole again because of the physical change.
What does the breaking of glass mean?Good luck will come your way if a glass breaks in your house.If you accidentally break some glass that means evil is leaving your house and good luck is going to come, that's why it doesn't work that way.
The process of making glass involves a chemical change.A chemical change alters the chemical makeup of a substance like melting ice into water or tearing up a piece of paper.Glass can go through physical changes as well.
A physical change doesn't result in the formation of new substances.Physical changes include boiling water, melting ice, tearing paper, freezing water and crushing a can.Chemical changes are a bit different.A new substance is formed in a chemical change.