Fresh water: rivers, lakes and glaciers
Only a very small part of the water on Earth is fresh water: water without salt. It is the water that people, plants and many animals need to live. We find it in rivers, lakes, glaciers and under the ground.
A flowing stream of fresh water. Rivers flow downhill into seas, lakes and even other rivers.
Large bodies of water completely surrounded by land. The water is calm. Most lakes have fresh water, but some have salt water.
Very thick masses of ice that cover large areas of land. They form when snow piles up and becomes hard. They are on high mountains and near the North and South Poles.
Glaciers are made of snow, so they are fresh water. In fact, most of the fresh water on our planet is frozen in glaciers and in the ice at the poles! Sometimes glaciers look like rivers of ice, because they move very, very slowly down the mountain.
The Nile (in Africa) and the Amazon (in South America) are the longest rivers in the world, and the Amazon is the one that carries the most water. The Caspian Sea is really the biggest lake in the world, and its water is salty! In Spain, the biggest lake made by a glacier is Lake Sanabria, in Zamora.