How much of the Earth is water?

Approximately _ _ % of the surface of the Earth is water.

About 97% of all water on Earth is ____ _____.

The 3% of all water on Earth is _____ _____.

Choose the most complete sentence.

The majority of Earth's water is in the oceans and seas, but also we can find water in ...

• rivers, glaciers and aquifers.

• seas, rain, glaciers and aquifers.

• rivers, glaciers, aquifers and lakes.

• glaciers, houses, fountains and lakes.

Glaciers are thick masses of _ _ _ that cover large areas of land.

The water on our planet is constantly moving between atmosphere, geosphere and hydrosphere. This movement is called _____ _____.

Write the four processes in the water cycle.

E__________ , ____________ , _____________ and __________.