unit 10
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SCIENCEUNIT 10
THE WATERS OF THE PLANET
• Water on EarthThe water on Earth is salt or fresh water. Mostfresh water is found in ice, in lakes and rivers orunder the surface of the Earth. The water in oceans and seas is salt water.
The movement of water from the Earth to theatmosphere and from the atmosphere to theEarth is called the water cycle.
• The Hydrography of SpainA drainage basin is an area of land from whichwater drains into a river.
The Iberian Peninsula has three drainage basins: the Cantabrian, The Atlantic and theMediterranean.
The rivers of the Cantabrian drainage basin
They are short rivers with a lot of water and regular flow.
The rivers of the Atlantic drainage basin
They are long rivers with little water and irregular flow.
The rivers of the Mediterranean drainage basin
They are long rivers with little water and irregular flow.
Canary and Balearic Island
In the Canary and Balearic islands there are no permanent rivers. The water runs across the surface as torrents.
The drainage basins of the Iberian Peninsula
Lesson vocabularySalt: salado
Fresh: dulce
To find: encontrar (found : participio: encontrado)
Ice: hielo
Lake: lago
River: rio
Surface: superficie
Water cycle: ciclo del agua
Drainage basin: vertiente hidrográfica
To drain: trancurrir
Short: corto
Flow: flujo
Long: largo
Lot of: mucho
Little: poco
Permanent: permanente
Torrent: torrente
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