Cambridge Secondary (7-9). Stage 7. MCE Science. Workbook - Unit 9: Chemical Reactions - Question 5

Look at the list of changes. Decide which are chemical changes and which are physical changes. Then, fill them in the correct column of the table.

- Nail rusting
- Electrical cells charging
- Water boiling to form water vapour
- Water evaporating to form water vapour
- Water freezing into ice
- Food digesting in the stomach
- Food becoming mouldy
- Separating sand from muddy water
- Ice cream melting
- Fire burning
- Butter melting

| Physical changes | Chemical changes |
|---|---|
| | |