Yes, there is no chemical changes to the wood.
Physical change of the paint, not the door.
this is a physical change
Its a physical change
A physical change
This is a physical change.
Sawdust is not a change. Making solid wood into sawdust by sawing it, would be a physical change.
Sawdust is part of a physical change that takes place when wood is sawed.
Physical-it is still wood, just in small pieces
sawdust that is piling up under a table - is a physical change
Yes... chemically - it's still wood - just in much smaller pieces.
sawdust pilling under the table.
Sawdust is chemically the same as wood -- it has only undergone a physical change to grind it into small pieces. Just as wood, sawdust is composed of chemicals such as cellulose and lignin, along with water.
Yes, it typically is. Both the wood (sawdust) removed and the remaining block are still wood. They have not changed chemically. For that matter, reducing the whole block to sawdust would not make the wood a different substance, only a different form.
Yes, Because it is still the same piece of wood just cut up, you could put back togethere again if you had to.
It is a Physical change
Crumple is a physical change.
It is a physical change.