A physical change. You're not changing the composition of the glass. It's still made up of silica, and is still glass. It's just 'changing' its shape or form.
Breaking glass is a physical change, as it does not change the chemical composition of the material.
Shattered glass is a physical change because the identity of the glass does not change.
A glass breaking is a physical change because the chemical composition of the glass does not change.
A physical change.
This is a physical change. There is nothing that changes the components of either the diamond or the glass when the diamond is used to scratch glass.
It is a physical change because the chemical composition of the glass does not change.
It is a physical change caused by chemicals. Chemical changes are phyiscal changes.
Glass is not a change of any sort. It is a mixture of substances that can undergo both physical and chemical changes
Purely physical.
It is a physical change. The resulting fragments of glass are still glass and of the same composition.
it is a chemical change.
its a chemical change