Question

What are the types of changes based on the speed of the change itself? Give three examples for each type. [5 MARKS]

Answer 1

Types of changes: 1 Mark
Slow changes + example: 2 Marks
Fast changes + example: 2 Marks

Based on speed, there are two types of changes - slow and fast changes.
Slow changes:
The changes that take place slowly over a long period of time are called slow changes.
Examples- Germination of seeds, formation of day and night and rusting of iron.

Fast changes:
The changes which take place quickly are called fast changes.
Examples: Burning of paper, melting of a candle and blowing of balloons.