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Crystal-clear wonder. Tanya Akulich Vadim Kozlov Nastya Kraskova School №21 8 « A ». Yaroslavl 2013. Aims of the project. to learn more about world water resources to find out how much water people use a day. 70 % of the Earth - sea water
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Crystal-clear wonder Tanya Akulich Vadim Kozlov Nastya Kraskova School №21 8 «A» Yaroslavl 2013
Aims of the project • to learn more about world water resources • to find out how much water people use a day
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
Everyday norm of drinking water Your weight litre
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?
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
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