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Fresh Water
3% of Earth's water is freshwater.
H2O
Chemical formula for water, 2 hydrogen, 1 oxygen.
Water Treatment Process
6 steps to make water drinkable.
Flocculation
Process of forming floc to remove solids.
Reverse Osmosis
Forces water through a fine filter membrane.
Ultraviolet Radiation
Destroys viruses and microorganisms in water.
Hard Water
Water with high mineral content, safe to drink.
Boiling Water
Kills pathogens in water within 1-3 minutes.
Sustainability
Maintaining water resources amid rising pollution.
Dead Sea
Has salinity of about 30%, much higher than oceans.
Desalination
Process of removing salt from water.
Biological Contaminants
Micro-organisms like salmonella and E. Coli.
Chemical Contaminants
Includes fertilizers, road salt, and minerals.
Turbidity
Cloudiness in water due to suspended particles.
Acidity
Water with pH below 7 is acidic.
Basic Water
Water with pH above 7 is basic.
Good Quality Water
Has pH between 6.5 and 8.5.
Chlorine
Added to drinking water to kill organisms.
Nitrates
Runoff from fertilizers contaminating water.
Septic System
Includes tank and drainage bed for waste.
Sewer System
Pipes carrying wastewater to treatment facilities.
Stormwater Runoff
Rainwater carrying contaminants from urban areas.
Greywater
Used water from sinks and baths.
Blackwater
Water containing feces and urine.
Water Misuse
Overuse or abuse of water resources.
Water's Role in Body
Transports substances and regulates temperature.
Water's Importance
Essential for plants, animals, and humans.
Water Storage
Treated water stored in sealed containers.
Water Pollution
Contamination affecting water quality and safety.
Water Scarcity
Limited freshwater resources due to population growth.
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