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Water facts water facts 2.

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Presentation on theme: "Water facts water facts 2."— Presentation transcript:

1 water facts water facts 2

2 Water Facts Only 3% of all the water on Earth is freshwater (97% is ocean water) Water can dissolve more substances than any other liquid, including sulfuric acid 30% of all freshwater is underground The water found in lakes, streams, rivers, swamps and ponds makes up only 0.3% of the world’s fresh water 68% of all fresh water is trapped in glaciers

3 Water Facts Approximately 70% of the human body is water
The average American uses 100 gallons of water per day Approximately 400 billion gallons of water are used in the United States daily Americans use more water each day by flushing the toilet than showering or any other activity Europeans use 50% less water than Americans

4 Water Facts More than 25% of bottled water comes from the same place that tap water comes from It takes 6.5 years for an American household to use the amount of water that it takes to fill an Olympic swimming pool (660,000 gallons) It takes 7.5 years for an American household to use the amount of water that falls over Niagara Falls in 1 minute (750,000 gallons)

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6 WHERE IS ALL THE WATER??

7 Where is all the water?? Reservoir: Biological
Description: All of the water in every living organism Percentage: % Measurement = 2 drops

8 Where is all the water?? Reservoir: Atmosphere
Description: Clouds, water vapor, ice crystals Percentage: 0.001% Measurement = 4 drops

9 Where is all the water?? Reservoir: Rivers and Streams
Description: all of the rivers and streams on earth Percentage: 0.003% Measurement = 11 drops

10 Where is all the water?? Reservoir: Inland seas
Description: all of the saltwater lakes on earth Percentage: 0.006% Measurement = 21 drops

11 Where is all the water?? Reservoir: Freshwater lakes
Description: All of the freshwater lakes and dams Percentage: 0.007% Measurement = 27 drops

12 Where is all the water?? Reservoir: Groundwater
Description: all of the water stored underground Percentage: % Measurement = mL

13 Where is all the water?? Reservoir: glaciers and ice caps
Description: Water frozen near the poles Percentage: 2% Measurement = 378 mL

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15 Where is all the water?? Reservoir: oceans
Description: All of the water in all of the oceans Percentage: % Measurement = All of the water left in the tank

16 Distribution of Water on Earth

17 All the Freshwater on Earth

18 Water Water covers 71% of Earth’s surface
97% of all of the water on earth is in the OCEANS 3% of all of the water on earth is FRESHWATER, but only 1% of all the freshwater is accessible by humans


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