| A | B |
|---|
| A crackling bonfire roars | chemical change |
| A chef prepares ranch dressing | physical change |
| A designer paints a chair red and purple | physical change |
| A carpenter sands a door frame | physical change |
| The princess breaks a mirror | physical change |
| The lunch lady grates cheddar cheese | physical change |
| The chef fries the eggs | chemical change (any cooking is!) |
| The girl scout bakes the bread | chemical change |
| Hydrogen joins oxygen to form hydrogen peroxide | chemical change (a new molecule is formed!) |
| Milk sours when vinegar is added | chemical change (solid appears when 2 liquids join) |
| Salt crystals form on rocks on the beach | physical change (the ocean water evaporated) |
| New cells form as a cut heals | chemical change (building new cells) |
| A can of soda goes flat | physical change(gas leaves) |
| An ice cream sandwhich melts | physical change (solid to liquid state of matter) |
| A copper bracelent turns green | chemical change (tarnish) |
| The magnolia leaf builds sugar during photosynthesis | chemical change (new sugar molecule!) |
| Lightening causes nitrogen to bond with oxygen in the air | chemical (new chemical bond - new molecule) |
| An ink pen bursts, turning your bookbag green | physical change |
| Blond hair turns green after a week of swim practice | chemical change (new molecule in hair) |
| A knight pounds an iron bar into a sword | physical change (still iron, new shape) |
| Leaves turn red in the autumn sun | chemical change (new molecules in leaf) |
| The fake volcano "erupts" when vinegar and baking soda combine and bubble up | chemical change |
| A pot of water bubbles up and produces steam | physical change (still water - gas form) |
| Frost appears on the windshield | physical change |
| The iron nail begins to rust | chemical change (rust- tarnish) |
| A pellet of sodium is cut in half | physical change (same stuff - less of it) |
| The fallen log begins to rot | chemical change |
| Adding acid to limestone rock produces carbon dioxide gas | chemical change |
| The maid scrubs mud off your jeans | physical change |
