Crystal-clear wonder

1. Crystal-clear wonder Tanya Akulich Vadim Kozlov Nastya Kraskova School №21 8 «A» Yaroslavl 2013

2. Aims of the project • to learn more about world water resources • to find out how much water people use a day

4. 70 % of the Earth - sea water • Less than 1% of the water total resources – • water for drinking, farming and industry • the amount of total global fresh water: • 37562 km3 in the world • 4250 km3 in Russia

5. Volga

7. Baikal

9. Everyday norm of drinking water Your weight litre

10. 1.How much water is required for washing?2.How much water is required for cooking?3. How much water is required for household needs?4. How much water is required for washing dishes?5. How much water is required for drinking?

18. Our families-83 litres a day Everyday norm-80 litres a day

19. Conclusion • we studied world water resouses • we found out every day needs in drinking water for one person • we found out how much water people use in a day

20. sources • https://www.google.ru/search?q=вода&newwindow=1&a.. • https://www.google.ru/search?q=вода+в+твердом+состоян.. • https://www.google.ru/search?q=вода+в+жидком+состояни.. • https://www.google.ru/search?q=вода+в+газообразном+со.. • https://www.google.ru/search?q=истина+в+воде&neww.. • http://commons.wikimedia.org/wiki/File:The_Earth_seen.. • https://www.google.ru/search?q=байкал&newwindow=1.. • https://www.google.ru/search?q=растения+нуждаются+в+в.. • https://www.google.ru/search?q=собаки+пьют+воду&n.. • https://www.google.ru/search?q=волга+река&newwind..