Ages

Introduction

Summary

On the Earth’s surface, water is heated by the sun and evaporates into water vapour. As it rises into the atmosphere, the vapour condenses to form clouds which produce precipitation (rain, snow…). Some of this precipitation evaporates, while some seeps into the ground to supply the ground water table or to add to the volume of glaciers. The rest is carried back to the sea by steams and rivers.

Goals

• To show the natural circuit of water in its liquid, gas or solid state as it travels between the oceans, the atmosphere and the continents.

Features

Click on the "Comments" tab for additional information about  the water cycle.

Student sheet

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Tags

plant vapor transpiration underground surface-runoff river reservoir precipitation ground-water ocean liquid lake infiltration condensation glacier ice evaporation atmosphere Water-cycle