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Science(water pollution)

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by

Sharon Chin

on 8 September 2015

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Transcript of Science(water pollution)

Water....
Want to know more about water?
CURIOUS?
designed by Péter Puklus for Prezi
What is
Water Pollution?
Controlling Water Pollution...
Purification of Water...
Ways to Save
Water Usage...
Stop leakage from taps.
REPAIR IT!
Take shorter showers.
Install water-saving shower heads.
Match the water level with the size of the load while doing

laundry.
Use a water pan while cleaning fruits and vegetables.
Don’t leave the tap open.
Brushing your teeth.
Shaving.
Washing hand.
And a lot, lot more...
Use a pail of soapy water while washing your car.
Use this to wash your car...
Is it important?
HOW
10 minute is enough...
THANK
YOU!!

HOW TO PURIFY WATER?
Water Filtration Experiment.
Chlorination
For algae control and
arresting any biological growth.
Chlorine Solution
removing particles from water
Filtration
Water Treatment System
Boiling kills most of the microorganisms in water, making it safe to drink.
For
drinking...
Caution... Hot...
Boiling
Industrial Waste
HOW TO CONTROL:
Implement strict laws.
Treating waste before disposed.
Agricultural Waste
HOW TO CONTROL:

Proper use of pesticides and fertilizers.
Encourage the use of biological control.
Implement laws.
Natural Source Of Water...
Rain
Ground waters, wells, springs.
Rivers, streams.
Lakes, ponds.
Seas, oceans.
Glaciers, icebergs.
Water produced is known as distilled water or pure water.
Does not contain:
dissolved minerals
microorganisms
impurities
Distillation
Domestic waste
OIL SPILLAGE
Constant surveillance of the waters.
From oil rigs, oil tankers and
illegal cleaning of vessels.
Please Prevent It!!
Conclusion
To conserve and preserve water and its quality successfully, it takes tremendous effort.Therefore, everybody should play his/her part,no matter how small it is....
TO:2 Kasih.
FROM:
Haafiz
Churchill
Alice Silverstinah
Sharon
Jia Xin
ENJOY...
HOW TO CONTROL:
Reuse and recycle waste materials.
Educate the public.
LET'S SEE!!!
POLLUTANTS
Toxic waste
Acidic/alkaline substances
Heavy metals
Radioactive residues
EFFECTS
Poison aquatic life
can cause cancer ( Radioactive residues)
POLLUTANTS
Pesticides and fertilizers
Animal waste
EFFECTS
Poisoning organisms
Reduce dissolved oxygen
POLLUTANTS
Rubbish, garbage
Untreated sewage
EFFECTS
Causing flash floods
Causing diseases
Reduce dissolved oxygen in water
EFFECTS
The oil floats on the surface of the sea, killing seabirds and marine life.
Full transcript