Question

changes to state of matter or phase of matter are what type of change?
chemical change
physical change
neither
both

Explanation:

A physical change alters the form or state of matter without changing its chemical composition. Phase changes like melting, freezing, evaporation are physical changes. In a chemical change, new substances are formed with different chemical properties. Since changes in state of matter do not create new substances chemically, they are physical changes.

Answer:

Physical change