.......... is alter the form or appearance of matter but does not turn any substance in matter into different substance.

folding the paper

water evaporation

water melting

A change in matter that produces one or more new substances is a ...............

Carbonic acid breaks into water and carbon dioxide

In the burning a candle is example of a physical?

........... measured the mass both before and after the reaction and found there is no change.

The fact that the matter is not created or destroyed in any chemical or physical change is called the law of conservation of .........

Like matter, energy is conserved in a chemical change