Which of the following is a property of water? O It can freeze very fast.
O It has low heat capacity.
Olt exists in only the liquid state.
O It attracts other water molecules.

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.