Question

Which of the following is a physical change?
A. sawing a piece of wood in half
B. burning a piece of wood
C. rust forming on an iron fence
D. a copper roof changing color from red to green

Answer 1

The answer would be A

Answer 2

A physical change is when the natural state of an object has or will be changed. Out of the following choices, sawing a piece of wood in half will be the physical change.

Credit for the answer explanation: oopsydaisy

NOTE: THIS ANSWER IS NOT MY ANSWER, BUT I HAVE CONFIRMED THAT IT IS CORRECT.