i believe it's decomposing.
A chaqnge of the state of matter is allways a physical change.
Physical. It is still crayon, and the change can be undone by cooling it until it hardens.
Cleaning is a physical process but sometimes can involve chemical reactions.
it is both physical and chemical change
Trail mix is a heterogeneous mixture and does not involve a chemical change to make.
Yes, physical changes involve a small change in energy.
This is a physical change.
No.
physical change is change in the physical properties of matter that does not involve a change in its composition
it is a physical change. there is no change in matter
physical change
No. Only a physical change.
A chaqnge of the state of matter is allways a physical change.
physical change
what is the difference between a physical change and a physical property
Indeed it does!
Physical. It is still crayon, and the change can be undone by cooling it until it hardens.