Page 34 - GK 3

Start Up G.K
LIFE-CYCLE
3. When water vapour in

The water cycle the clouds cools down,
it becomes water again.

See the picture on the right and understand how water from the This process is called

Earth goes up as clouds and comes down as rain. The water cycle Condensation.
is the way water moves all around the Earth.

Tick (ü) the correct options and answer the following questions. 4. Clouds gather more and more

2. Tiny droplets of water called water and become heavy.
1. When water turns to vapour and rises up it is called water vapour form and are carried This water falls on Earth as

a. precipitation b. evaporation up by rising warm air as clouds. rain, snow or hail. This process
is called Precipitation.
2. The water cycle is driven by the

a. Sun b. Moon 1. The rays of the Sun heat the water in

3. When water vapour cools into a liquid, it is called oceans, rivers, lakes, soil, plants, trees,
etc., and cause water to evaporate.
a. condensation b. sublimation This is called Evaporation.

4. When water droplets get large enough to fall from
the clouds, it is called

a. transpiration b. precipitation

5. The water cycle

a. stops at night b. never stops

6. Dew drops formed on leaves is due to the process of

a. condensation b. evaporation

Help to grow Info-bites

(Teacher’s note) Water evaporates not only
Conduct simple water based from rivers and water
experiments like boiling bodies but also from plant
water with a lid on top leaves, stems and flowers.
to explain the process of
evaporation, condensation This process is called
and precipitation to students. transpiration.

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