1. WHY IS WATER IMPORTANT ON EARTH?

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

3. WHY, WHEN WATER IS A RENEWABLE RESOURCE, IS IT ALSO A SCARCE RESOURCE?

4. 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.

5. 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 Earth is 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.

6. 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 Earth is 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.

7. 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 __________________.

8. 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.

9. The longest river in Spain: The longest river on the Peninsula:

10. The longest river in Spain: Ebro The longest river on the Peninsula: Tajo

11. Name the Peninsula’s watersheds and three of each watershed´s rivers. ____________Watershed  Rivers ____________Watershed  Rivers:

12. Cantabrian Watershed  Rivers: Nalón, Nervión y Bidasoa Mediterranean Watershed  Rivers:Ebro, Turia, Júcar y Segura Atlantic Watershed  Rivers:Miño, Duero, Tajo Guadiana, Guadalquivir

13. Which watershed, in general, has the longest rivers?

14. The Atlantic watershed

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

16. The Cantabrian watershed