Question

Differentiate:

a. Slow and Fast change

b. Natural and man-made change

Answer 1

a. Slow and fast change

Slow Change	Fast Change
Some changes take place at a slow rate, such changes are called slow changes. eg. Growth of plant, rusting of iron	Some changes take place in a fraction of a second, such changes are called fast changes. eg. Occurrence of lightning during thunderstorms and earthquakes.

b. Natural and man-made change

Natural Change	Man-made Change
A change that occurs naturally on its own is called a natural change. eg. changing of the season, the occurrence of tides, eclipses.	A man-made change is one that occurs because of human activities. e.g. Changing the direction of the flow of a river by building a dam.