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How much water is required to produce a page of book?
Where do we get water from?
Water in taps comes from _____________.
What part of earth is covered with water?
Where do we find most of the water on earth?
What happens to the animals and vegetation in drought conditions?
How can we conserve water?
We need water for:
Plants loose water into air as water vapour through the process of ___________..
Gaseous form of water is called:
The process of water changing into its vapour is:
The process of water vapour changing into water droplets is:
The circulation of water between ocean and land is known as:
Lack of rain for long periods cause.
Excessive rains causes ______________
Water found under the ground is called ________.
The collection of rain water by various means is called __________.
Water vapour is present in air only during the monsoon.
Water evaporates into air from oceans, rivers and lakes but not from the soil.
The evaporation of water takes place only in sunlight.
The process of water changing into vapour is called evaporation.
Water vapour condenses to form tiny droplets of water in the upper layer of the air where it is cooled.
………………. of water is slow process.
Fog appearing on a cold winter morning is ………………..
Steam rising from wet clothes while they are ironed is ………………..
The falling of water droplets is called ………………..
The water from wet road, roof tops and wet clothes changes into ………………..
………………. part of the earth is covered with water.
The process of changing water into vapour is called ………………..
The process of changing vapour into water is called ………………..
No rainfall for a year or more may lead to ………………. in that region.
Excessive rains may cause ……………….
