The process of water changing into its vapour, is called evaporation.

MCQ

True or False

This statement is True.

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Explain water cycle in detail.

Fill water in an ice tray and keep it in the freezer.
After few hours, take it out. What happened to the water?

List out some other benefits of rain water harvesting.

Water cycle increases the availability of _______.

What are the different stages of water cycle?

Water present in rivers, lakes, and ponds is unfit for use by human beings.

1 inch of rainfall on a 2000 sq. ft. roof is equal to 4,800 liters of water.

What are balls of ice?

Some definitions are given below which can be corrected by changing one word. Correct them.

Aquifer is ground water stored between layers of hard rock above the water table.
The process of evaporation of water in the ground is called infiltration.
The evaporation of water from oceans and its arrival back into oceans is called vapour cycle.

Name three Biogeochemical cycles.