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• Water pollution is the contamination of water
bodies (e.g. lakes, rivers, oceans, aquifiers and
groundwater).
• Water pollution occurs when pollutants are directly
or indirectly discharged into water bodies without
adequate
treatment
to
remove
harmful
compounds.
• Water pollution affects plants and organisms living
in these bodies of water. In almost all cases the
effect is damaging not only to individual species and
populations, but also to the natural biological
communities.
Metals like Pb, Hg etc.
Fertilizers, Industrial
Waste etc.
Parasites, Bacteria etc.
• Industrial waste
Industries cause huge water pollution with their
activities.
Ex :1. Sulphur – This is a non-metallic substance that is
harmful for marine life.
2. Lead and Mercury – These are metallic elements
and can cause environmental and health problems
for humans and animals. It is even more
poisonous. It is usually very hard to clean it up
from the environment once it get into it because it
in non-biodegradable.
• Sewage and waste water
Everyday, we cook, do laundry, flush the toilet, wash
our cars, shower and do many things that use water.
Think about how we use water in schools, hospitals and
public places.
Ex : Septic Tanks
Every domestic (home) toilet is connected to septic
tank usually located outside the house. Each time
poop is flushed down the toilet, it goes into this
tank, where the solid part is separated from the liquid
part. Biological processes are used to break down the
solids and the liquid is usually drained out into a land
drainage system. From this stage, it can escape into
the soil and nearly water bodies.
• The effects of water pollution are varied and depend
on what chemicals are dumped and in what locations.
1.Death of Aquatic Animals
The main problem caused by water pollution is that it
kills life that depends on these water bodies. Dead
fish, crabs, birds and sea gulls, dolphins, and many
other animals often wind up on beaches, killed by
pollutants in their habitat.
2.Disruption of food-chains
Pollution disrupts the natural food chain as well.
Pollutants such as lead and cadmium are eaten by tiny
animals. Later, these animals are consumed by fish
and shellfish, and the food chain continues to be
disrupted at all higher levels.
3.Diseases

Eventually, humans are affected by this process as
well. People can get diseases such as hepatitis by
eating seafood that has been poisoned. In many poor
nations, there is always outbreak of cholera and
diseases as a result of poor drinking water treatment
from contaminated waters.

4.Destruction of ecosystems
Ecosystem can be severely changed or destroyed by
water pollution. Many areas are now being affected by
careless human pollution, and this pollution is coming
back to hurt humans in many ways.
• Never throw rubbish away anyhow. Always look for
the correct waste bin. If there is none
around, please take it home and put it in your trash
can. This includes places like the beach, riverside
and water bodies.
• Use water wisely. Do not keep the tap running
when not in use. Also, you can reduce the amount
of water you use in washing and bathing. If we all
do this, we can significantly prevent water
shortages and reduces the amount of dirty water
that needs treatment.
• Do not throw chemicals, oils, paints and medicines down
the sink drain, or the toilet. In many cities, your local
environment office can help with the disposal of medicines
and chemicals. Check with your local authorities if there is
a chemical disposal plan for local residents.
• Buy more environmentally safe cleaning liquids for the use
at home and other public places. They are less dangerous
to the environment.
• If you use chemicals and pesticides for your gardens and
farms, be mindful not to overuse pesticides and fertilizers.
This will reduce runoffs of the material into nearby water
sources. Start looking at options of composting and using
organic manure instead.
A
TO STOP IT LET’S AWAKE NOW OR
OUR FUTURE WILL BE IN DARK
AND ITS OUR EARTH HOW CAN WE LIVE IT LIKE THAT
LET’S COME TOGETHER AND MAKE IT A BEAUTIFUL
PLACE AS IT WAS BEFORE WHEN GIVEN TO US.

LET’S FIGHT FOR OUR EARTH
REMEMBER THE THREE R’S :REDUCE, REUSE, RECYCLE.
OUR BRIGHT FUTURE IS WAITING FOR US……
Chemistry project on Water Pollution
Chemistry project on Water Pollution

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Chemistry project on Water Pollution

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  • 4. • Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifiers and groundwater). • Water pollution occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds. • Water pollution affects plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and populations, but also to the natural biological communities.
  • 5. Metals like Pb, Hg etc. Fertilizers, Industrial Waste etc. Parasites, Bacteria etc.
  • 6. • Industrial waste Industries cause huge water pollution with their activities. Ex :1. Sulphur – This is a non-metallic substance that is harmful for marine life. 2. Lead and Mercury – These are metallic elements and can cause environmental and health problems for humans and animals. It is even more poisonous. It is usually very hard to clean it up from the environment once it get into it because it in non-biodegradable.
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  • 8. • Sewage and waste water Everyday, we cook, do laundry, flush the toilet, wash our cars, shower and do many things that use water. Think about how we use water in schools, hospitals and public places. Ex : Septic Tanks Every domestic (home) toilet is connected to septic tank usually located outside the house. Each time poop is flushed down the toilet, it goes into this tank, where the solid part is separated from the liquid part. Biological processes are used to break down the solids and the liquid is usually drained out into a land drainage system. From this stage, it can escape into the soil and nearly water bodies.
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  • 10. • The effects of water pollution are varied and depend on what chemicals are dumped and in what locations. 1.Death of Aquatic Animals The main problem caused by water pollution is that it kills life that depends on these water bodies. Dead fish, crabs, birds and sea gulls, dolphins, and many other animals often wind up on beaches, killed by pollutants in their habitat. 2.Disruption of food-chains Pollution disrupts the natural food chain as well. Pollutants such as lead and cadmium are eaten by tiny animals. Later, these animals are consumed by fish and shellfish, and the food chain continues to be disrupted at all higher levels.
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  • 12. 3.Diseases Eventually, humans are affected by this process as well. People can get diseases such as hepatitis by eating seafood that has been poisoned. In many poor nations, there is always outbreak of cholera and diseases as a result of poor drinking water treatment from contaminated waters. 4.Destruction of ecosystems Ecosystem can be severely changed or destroyed by water pollution. Many areas are now being affected by careless human pollution, and this pollution is coming back to hurt humans in many ways.
  • 13. • Never throw rubbish away anyhow. Always look for the correct waste bin. If there is none around, please take it home and put it in your trash can. This includes places like the beach, riverside and water bodies. • Use water wisely. Do not keep the tap running when not in use. Also, you can reduce the amount of water you use in washing and bathing. If we all do this, we can significantly prevent water shortages and reduces the amount of dirty water that needs treatment.
  • 14. • Do not throw chemicals, oils, paints and medicines down the sink drain, or the toilet. In many cities, your local environment office can help with the disposal of medicines and chemicals. Check with your local authorities if there is a chemical disposal plan for local residents. • Buy more environmentally safe cleaning liquids for the use at home and other public places. They are less dangerous to the environment. • If you use chemicals and pesticides for your gardens and farms, be mindful not to overuse pesticides and fertilizers. This will reduce runoffs of the material into nearby water sources. Start looking at options of composting and using organic manure instead.
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  • 17. TO STOP IT LET’S AWAKE NOW OR OUR FUTURE WILL BE IN DARK AND ITS OUR EARTH HOW CAN WE LIVE IT LIKE THAT LET’S COME TOGETHER AND MAKE IT A BEAUTIFUL PLACE AS IT WAS BEFORE WHEN GIVEN TO US. LET’S FIGHT FOR OUR EARTH REMEMBER THE THREE R’S :REDUCE, REUSE, RECYCLE. OUR BRIGHT FUTURE IS WAITING FOR US……