Question
Give some examples of fast and slow changes that occur in your surroundings.
✓
Answer
| Fast | Slow |
| 1. Burning of paper or wood | 1. rusting of iron |
| 2. Burning of candle | 2. germination of seeds |
| 3. Bursting of a balloon | 3. curdling of milk |
| 4. Bursting of crackers | 4. ripening of a fruit |
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