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Rhys 3
Physical and Chemical changes
| Question | Answer |
|---|---|
| Silver necklace tarnishing. (oxidation) * | chemical |
| Ice melting (phase change) | physical |
| Salt dissolving in water. | physical |
| Dry ice going to a gas- known as sublimation or a phase change | physical |
| Breaking a glass vase. | physical |
| Mixing sand, soil, and iron fillings. | physical |
| Leaves changing colors in the fall. | chemical |
| Burning brush (limbs, dead trees, tree branches, etc.) | physical and chemical |
| Tearing a piece of bread in half. | physical |
| Boiling a potato or egg. | physical |
| Cutting fruit | physical |
| Fireworks | chemical |
| Liquids taking the shape of their container. | physical |
| The room temperature liquids turned cold when combined. | chemical |
| A pink and clear liquid turned green | chemical |
| Two normal smelling liquids smelled like something dead when mixed together. | chemical |
| baking cookies | chemical |