it is a chemical change and i think maybe it is because you use heat to melt it and metal to shape it.
There are two kinds of changes - physical and chemical. It depends on how the change is made.
Chemical change
In a chemical reaction something new is created. A chemical change is inreversible where as a physical change is. In a physical change nothing new is formed.
It is physical. The wire changes shape, but it is still made of the same materials.
That made no sense...
Tearing paper is a physical change as you do not change what the parer is made of.
It is a physical change as an alloy is a solid solution made from various metals. As you can still separate these different metals after the alloy is made it is a physical change and not a chemical change.
Now are known hundreds types of plastic materials, different by chemical, physical and mechanical properties.
That made no sense...
It is a physical change. There are no changes made to the compounds in a pencil by breaking it.
It is a physical change. Dissolving is a physical property called solubility.
Physical, because the stuff that the butter is made out of doesn't change, just the state, or physical form, that it is in. (solid to liquid.)