Activity Books Understanding Water Activity Book | Page 21

When water vapor reaches the atmosphere,
it condenses or changes
into drops of water.
The drops gather
to form clouds.
When the clouds
let go of the
water as rain
or snow,
it is called
precipitation.
The water falls
back to Earth.
Some of it falls
into oceans. Some
water runs off the land into lakes, rivers and streams.
This is called runoff. Some water trickles beneath the
surface of the ground to become groundwater,
feeding into wells, springs and streams.
Then the
ound agai
ar
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