| A | B |
|---|
| ice melting | physical change |
| baking cupcakes | chemical change |
| number of atoms in a chemical formula | subscript |
| present before chemical reaction (on the left side of the arrow) | reactant |
| reactant mass equals product mass | law of conservation of mass |
| present after the chemical reaction occurs (on the right side of the arrow) | product |
| burning wood in a fireplace | release of light and heat |
| two substances mix and bubbles begin to form | the formation of gas |
| two liquids mixed and a solid forms | the formation of a precipitate |
| leaving peeled fruit on a kitchen counter | a change in color |
