WHY IS WATER IMPORTANT ON EARTH?

Because all living things, plants, animals and human beings, need water to survive.

WHY, WHEN WATER IS A RENEWABLE RESOURCE, IS IT ALSO

A SCARCE RESOURCE?

• Because it does not run out, but there is a limited amount. Most of the water on Earth recycles naturally, but the quantity always stays the same.

The majority of Earth’s water is FRESH WATER/SALT WATER and is found in OCEANS/LAKES. Only 3 out of every 100 liters of water on the planet is FRESH WATER/SALT WATER. The majority of fresh water is found as WATER VAPOUR/ICE in the poles; fresh water found below the surface of the Earthis called UNDERGROUND WATER/SURFACE WATER; fresh water that is found on the surface of the Earth is located in RIVERS AND LAKES/OCEANS AND SEAS;fresh water is also found in ROCKS/CLOUDS.

The majority of Earth’s water is FRESH WATER/SALT WATER and is found in OCEANS/LAKES. Only 3 out of every 100 liters of water on the planet is FRESH WATER/SALT WATER. The majority of fresh water is found as WATER VAPOUR/ICE in the poles; fresh water found below the surface of the Earthis called UNDERGROUND WATER/SURFACE WATER; fresh water that is found on the surface of the Earth is located in RIVERS AND LAKES/OCEANS AND SEAS;fresh water is also found in ROCKS/CLOUDS.

Complete the sentences about the water cycle and number them in order.• Water vapour rises into the atmosphere,

condenses and forms ___________.• The Sun heats the surface of the Earth, causing

water to _______________ .• Water falls to the earth and fills the ________,

_________ and ___________ .• Drops of water fall from the clouds to the earth

and produce ____________,_________________ or __________________ .

• 2 Water vapour rises into the atmosphere, condenses and forms clouds.

• 1 The Sun heats the surface of the Earth, causing water to water vapor .

• 3 Rain falls to the earth and fills the seas, rivers and lakes.

• 4 Drops of water fall from the clouds to the earth and produce rain, snow or hail.

• The longest river in Spain:• The longest river on the Peninsula:

• The longest river in Spain: Ebro• The longest river on the Peninsula: Tajo

Name the Peninsula’s watersheds and three of each watershed´s rivers.• ____________WatershedRivers

• ____________WatershedRivers:

• ____________WatershedRivers:

• Cantabrian WatershedRivers: Nalón, Nervión y Bidasoa

• Mediterranean WatershedRivers: Ebro, Turia, Júcar y Segura

• Atlantic WatershedRivers:Miño, Duero, Tajo Guadiana, Guadalquivir

• Which watershed, in general, has the longest rivers?

• The Atlantic watershed

• Which watershed has short rivers but a large annual flow volume?

• The Cantabrian watershed