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प्रश्न
Distinguish between the following.
Natural change and man-made change
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उत्तर
| Natural changes | Man-made changes | |
| 1. | The changes that are brought about by nature itself and are not under the control of humans are called natural changes. | The changes that are brought about by humans are called man-made changes. |
| 2. | Examples: change of season, tides in the sea, aging of plants, etc. | Examples: burning of fuels, cutting hair, switching on lights, etc. |
संबंधित प्रश्न
What do you observe when :
a piece of paper is burnt
Fill in the blank
Burning of fuel is a _______ change.
State whether the following is physical or chemical changes.
Boiling of an egg —
Chemical changes are accompanied by changes in energy.
Under which different types can the following changes be classified?
Revolution of the earth around the sun.
Under which different types can the following changes be classified?
Stretching of a spring.
Give reason.
While purchasing canned food, its expiry date should be checked.
Picture based question
Observe the picture and list down the changes that are accompanied in the picture.
- ______.
- ______.
- ______.
Paper, LPG, CNG petrol, etc, are ______ substances.
The difference between initial state and the final state is called change.
