Unit 3 – Water | Sección Bilingüe

VOCABULARY Unit 3

1- WATER
Water covers 71% of the Earth´s surface. There are two groups of water:
– Salt water: it is found in oceans and seas.
– Fresh water: it is found in rivers, lakes, glaciers, groundwater and at the poles.

The Water Cycle
Fun facts about Water Cycle
Information on the Water Cycle

Read more about water:
What is water?
Why is water important?

2- RIVERS
Rivers are permanent currents of water that carry water down to the sea.
They originate from groundwater, glaciers, lakes, rain or snow.
Information and facts about rivers
Why are rivers important?
Longest rivers of the World

3- OCEANS AND SEAS
Oceans and Seas hold almost all the world´s liquid water.
Earth´s Oceans and Seas: Introduction
World´s oceans and seas
Map of the major seas of the world

4- WHAT ARE CURRENTS, TIDES AND WAVES?
Currents
Tides
Waves

5- WHAT ARE LAKES?
Lakes are permanent masses of water which have accumulated inland.
If they are small they are called lagoons.If their water is salt water they are called inland seas.
Lakes
Lakes of the world