Cambridge Secondary (7-9). Stage 7. MCE Science. Workbook - Unit 9: Chemical Reactions - Question 40

Classify each change as either a physical change or a chemical change. Tick (✓) the correct column in the table.

| Change | Physical change | Chemical change |
|---|---|---|
| Candle wax melts. | | |
| Nail rusts. | | |
| Water boils. | | |
| Wood burns. | | |
| Food is being digested in the stomach. | | |
| Water evaporates. | | |
| Electrical cells are being charged. | | |
| Water freezes. | | |