Water: A precious resource

Where is most of the water on Earth found?

• Glaciers and icecaps

• Oceans and seas

Seas and oceans are full of water on earth. However, a very small percentage of water present on earth is available for us. This percentage is roughly

• 16%

• 6%

• 2%

• 0.006%

After water vapor is carried high into the atmosphere, what happens to it?

• It keeps rising until it goes into outer space

• It forms clouds, and then air currents move them around

• It sublimates into ice

• It magically changes back into water

Water in the ……………….. can be easily pumped out with the help of tube wells or handpumps.

The method of watering the roots of plants drop by drop is called ___________

Water sources can be divided into two categories: _________ and _________

Define water cycle.

Surface water is classified into three categories. Name them.

What is an aquifer?

A ___ is a barrier that stops or restricts the flow of surface water or underground streams.