crystal-clear wonder
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
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Crystal-clear wonderCrystal-clear wonder
Tanya AkulichTanya AkulichVadim KozlovVadim KozlovNastya KraskovaNastya Kraskova School School №21 8 «№21 8 «AA»»Yaroslavl 2013
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Aims of the projectAims of the project
to learn more about world water resourcesto learn more about world water resources
to find out how much water people use a dayto find out how much water people use a day
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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
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VolgaVolga
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BaikalBaikal
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Your weight
Everyday norm of drinking waterlitre
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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?
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1 family 2 family 3 family 4 family
washing
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1 family 2 family 3 family 4 family
cooking
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1family
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economic needs
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1family
3family
washing dishes
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drinking
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1 family 2 family 3 family 4 family
personal needs
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1 family 2 family 3 family 4 family
one person
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Our families-83 litres a Our families-83 litres a dayday
Everyday norm-80 Everyday norm-80 litres a daylitres a day
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ConclusionConclusion
we studied world water resouseswe studied world water resouses
we found out every day needs in drinking we found out every day needs in drinking water for one personwater for one person
we found out how much water people use we found out how much water people use in a dayin a day
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