It means that although it changes, no new substances are formed. Examples of such changes are melting and other state changes, and dissolving.
no
Physically or chemically.
The chemical nature of the matter is changed; new compounds with new chemical formulas are formed.
If you change something physically it may look, act or feel different, but it is still the same thing.
No, the file physically rests on the same place in your hard drive. What is changed is a value or a path thru which you can access it.
Yes, it can.
False. No matter what happens to the mineral, the streak will always remain the same.
a physical change happens when something is changed physically, for example, snapping a twig or popping a balloon is physical change, but actions like burning wood or cooking an egg are not physical.
If you change something physically it may look, act or feel different, but it is still the same thing.
A compound.
Nothing happens.
Yes - the state of matter.