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WATER

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This is a lovely presentation made by P 6 A students in Arrigorriaga Primary school Enjoy it!

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WATER

  1. 1. *THE WATER CYCLE *PICTURE DICTIONARY *WATER IN OUR WORLD *WATER UNDER THE GROUND  *MAKING CLOUDS  * WATER IN HOUR HOUSES  * RAIN  * DANGERS  * WATER FOR PLEASURE
  2. 2. • To know why rainTo know why rain falls,we have tofalls,we have to understand the waterunderstand the water cycle.cycle. • Water is alwaysWater is always changing state andchanging state and place. It moves from theplace. It moves from the land into theland into the atmosphere and backatmosphere and back down again. Thisdown again. This movement is called themovement is called the water cycle.water cycle.
  3. 3. 1. Water falls from clouds or rain or snow and collect in rivers, lakes, seas and oceans. 2. The Sun's heat turns some water into water vapour in the air. 3. The air rises and cools and some vapour turns back into a liquid water, forming clouds.
  4. 4. •About 97% of the world's water is salty and is found in our oceans and seas. •The other 3% is fresh water, from ice (in glaciers and ice sheets), rivers and lakes, or clouds
  5. 5. WATER IS VERY IMPORTANT IN THE WORLD.WATER IS VERY IMPORTANT IN THE WORLD. IT IS NECESSARY TO LIVE. A VERY HEALTHYIT IS NECESSARY TO LIVE. A VERY HEALTHY ONE.ONE. • WITHOUT WATER WE DESHYDRATEWITHOUT WATER WE DESHYDRATE OURSELVES. EVERY DAY, THOUSANDS OFOURSELVES. EVERY DAY, THOUSANDS OF PERSONS DIE FOR HAVING NEITHER FOODPERSONS DIE FOR HAVING NEITHER FOOD NOR ANYTHING TO DRINK.NOR ANYTHING TO DRINK.
  6. 6. •Almost three-quarters of Earth's surface is covered with water, making the planet look blue from space. •Water is essential to life in earth. Without it, all animals and plants would die. •Oceans and seas make up most of world's water.
  7. 7. Almost three-quarters of the Earth’sAlmost three-quarters of the Earth’s surface is covered with water, making thesurface is covered with water, making the planet look blue from Space. Water isplanet look blue from Space. Water is essential to live in the Earth.essential to live in the Earth.
  8. 8. • Water is necessary in our lives.Water is necessary in our lives. • On Earth, 96.5% of the planets water is foundOn Earth, 96.5% of the planets water is found in seas and oceans, 1.7% in groundwater, 1.7%in seas and oceans, 1.7% in groundwater, 1.7% in glaciers and the ice caps of Antartica andin glaciers and the ice caps of Antartica and Greenland, a small fraction in otherlarge waterGreenland, a small fraction in otherlarge water bodies, and 0.001% in the air as vapour, cloudsbodies, and 0.001% in the air as vapour, clouds and precipitation.and precipitation.
  9. 9. *Some of the water that falls as rain soaks into*Some of the water that falls as rain soaks into the ground, slowly trickling down through tinythe ground, slowly trickling down through tiny air space in soil or through cracks in rocks.air space in soil or through cracks in rocks. *Eventually the water reaches a layer of rock-*Eventually the water reaches a layer of rock- called impermeable rock- that will not allowcalled impermeable rock- that will not allow water to pass through it.water to pass through it.
  10. 10. • The sunThe sun turns water to vapour all the time. Whenturns water to vapour all the time. When the vapour cools high in the sky it turns intothe vapour cools high in the sky it turns into millions of tiny drops of water. These makemillions of tiny drops of water. These make clouds.clouds.
  11. 11. •People in towns and cities use hugePeople in towns and cities use huge amounts of water every day.amounts of water every day. •Before the water reaches our taps, itBefore the water reaches our taps, it passes through treatment works to make itpasses through treatment works to make it safe to drink. Most used water passessafe to drink. Most used water passes through sewage works before beingthrough sewage works before being returned to rives or the sea.returned to rives or the sea. Water inWater in our housesour houses
  12. 12. RainRain makesmakes puddles of water on the ground. Thepuddles of water on the ground. The puddles soon dry up, but the water does not gopuddles soon dry up, but the water does not go away. It turns into an invisible gas called wateraway. It turns into an invisible gas called water vapour. The water vapour rises into the air.vapour. The water vapour rises into the air.
  13. 13. RAINRAIN Rain can be made eitherRain can be made either fromfrom waterwater dropletsdroplets in low-level clouds, orin low-level clouds, or fromfrom melted ice cristals in higher clouds.melted ice cristals in higher clouds. Very light rain is calledVery light rain is called drizzledrizzle. Sleet is a. Sleet is a mixture of rain falls through cold airmixture of rain falls through cold air and partly freezes, or snow fallsand partly freezes, or snow falls through warm air and partly meltsthrough warm air and partly melts
  14. 14. • Rain does not fallRain does not fall equally around theequally around the word.word. • People in manyPeople in many countries do not havecountries do not have enough water.enough water. Without taps in theirWithout taps in their homes, many peoplehomes, many people have to travel longhave to travel long distances to find anddistances to find and carry water.carry water.
  15. 15. Some animals andSome animals and plats are in dangerplats are in danger because ofbecause of chemicals. Wastechemicals. Waste chemicals fromchemicals from factories kill plants,factories kill plants, insects, and fish. Soinsects, and fish. So do some chemicalsdo some chemicals used on farms.used on farms.
  16. 16. As for recreation, people canAs for recreation, people can entertain themselves in almost anyentertain themselves in almost any sort of body of water: beaches,sort of body of water: beaches, lakes, water parks and evenlakes, water parks and even puddles can serve as the basis forpuddles can serve as the basis for a number of recreational activitiesa number of recreational activities

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