Its chemical properties does not change.
A change in phase is a physical process.
yes
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.
it is a physical change
It is a chemical change.
The change in momentum depends on the
electricity will not change the state of matter.
No, a liquid changing to a gas is a change of state or a physical change.
A change in position would be motion. (Motion) is the answer for A+
how can we use the flow of matter or energy in a ayatem to predict a change in that system
Matter is nothing just a form of energy. So,either adding or removing energy,we can change the state of a matter. example:- ICE is in solid state, if we apply heat energy, it melts and changes to liquid form. Again if we apply heat energy,that liquid will change to vapour form.
It is a physical change because is it changing the leaf? No, no it isn't so it is a physical change.