All the water on Earth is millions of years old. Water ____ from place to place, but it never goes away and there is never any new water. This is called the water cycle. The sun ____ the sea water and some of the water ____ into the air. When this air ____, the water ____ into clouds. If the clouds get too heavy, it ____. If it is very cold, it ____. The rain and snow fall on the land and the snow ____. Some of this water goes under the ground, and some goes into rivers and back to the sea.

U9 AS4 The water cycle

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