Question

1. Name any three house hold uses of water.
2. Why is water so important for our body?
3. What is precipitation?
4. Water droplets are seen on the outer surface of a cold container kept at normal room temperature. Give reason.
5. Explain the process of infiltration. IV. Long answer question ( 5 marks each )

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Answer 1

1.use of water

washing clothes

washing utensils

bathing

2.Your body uses water in all its cells, organs, and tissues to help regulate temperature and maintain other bodily functions. Because your body loses water through breathing, sweating, and digestion, it's important to rehydrate by drinking fluids and eating foods that contain water.

3.Precipitation is any form of liquid or solid water particles that fall from the atmosphere and reach the surface of the Earth.

4.This phenomenon is known as condensation. Cold water inside the water tries to cool down The water vapor in air which comes in contact with wall of glass and due to low temperature the vapor liquid and appears as water droplets on the outside of glass.

5.Infiltration is the process by which precipitation or water soaks into subsurface soils and moves into rocks through cracks and pore spaces. ... Water may get absorbed by the soil and may stay in the soil for a long time until it gradually gets evaporated.

Answer 2

Answer:

1) drinking, bathing, cooking.

2) because is hydrates our body and also provides roughage.

3) precipitation is rainfall and everyone knows what is rainfall ? if don't then rainfall is something that goes up from the earth as water vapour and comes back in the form of water or rain.

4) cool water inside the cool container tries to cool down the water vapour in which comes in contact with the wall of glass and due to low temperature the vapour liquid and appears as water droplets on the outside of glass .

5) infiltration is the process by which water on the ground surface enters the soil it is used in both hydrology and science the infiltration capacity is defined as the maximum rate of infiltration.

Explanation:

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