| A | B |
|---|
| conservation of matter | Defined as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time. |
| chemical change | is any change that results in the formation of new chemical substances. |
| physical change | any process involving a substance's change from one state (gas, liquid, solid) to another without alteration of the chemical composition; |
| hola | hello |
| adios | goodbye |
| buenos dias | good morning |
| te amo | love you |
| ZERO | the freezing point of water |
| 100 | the boiling point of water |
| Example of physical change | cracking an egg |
| Example of chemical change | activating a glow stick |
