The burning of paper is an example of which type of change? A. An atomic change
B. A chemical change
C. A physical change
D. A phase change

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.