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Science Subject for Middle School - 7th Grade Earth's Water by Slidesgo

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7th Grade
WASTEWATER:
STORY
By Amith R.B
TABLE OF CONTENTS
01
BECOME AN ACTIVE
CITIZEN
Waste generation is a part of
human activity and we should
dispose the waster properly.
04
ALTERNATE ARRANGEMENT
FOR SEWAGE DISPOSAL
We can use septic tanks
and composting pits
instead of sewage system
for improving sanitation.
02
BETTER HOUSEKEEPING
PRACTIVES
Cooking oil and fats should
not be thrown down in the
drains.
05
SANITATION AT
PUBLIC PLACES
Waste at public places should be
disposed properly or the people
visiting the public places may get
sick because of poor sanitation.
03
SANITATION AND
DISEASE
Poor sanitation and contaminated
drinking water is the cause of a
larger number of diseases.
01
Become an
active citizen
This subtopic will teach us how to dispose
waste properly and become a good citizen
Mountain
Become an active
citizen
Waste generation is natural part of human
activity and we must know how to dispose
the waste properly
●
●
●
Recycling
Composting
Preventing or Reducing Waste
Generation
We should never litter in water bodies like
seas, oceans, rivers etc and also not in
public places.
Lake
02
Better
Housekeeping
practices
This Subtopic will teach how to keep
our houses clean.
Better
housekeeping
practices
We generate waste by cooking and while
cutting vegetables etc. We can dispose
these wastes by
● Composting
● Preventing or Reducing Waste
Generation
We should not throw the oil down in the
sink but we should throw it in the dust
bin.
03
Sanitation and
Diseases
Poor sanitation and contaminated
drinking water is the cause of number
of diseases.
Sanitation and
Diseases
A very large fraction of our people
defecates in the open, on dry
riverbeds, on railway tracks, near
fields and many directly in water.
Untreated human excreta is a health
hazard. It may cause water pollution
and waterborne Diseases and must
be prevented
04
Alternate Arrangement
for Sewage Disposal
To improve sanitation we can use low cost
onsite sewage disposal system are being
used.
Alternate
Arrangement for
Sewage Disposal
Every day many people getting
sick because of poor sanitation
for improving sanitation we can
use low cost onsite sewage
disposal system like septic tanks,
chemical toilets, composting pits.
05
Sanitation at Public
Places
Sanitation in Public place is important and
the public places should be maintained well
or else the people visiting the place may
get sick.
Sanitation at
Public Places
In our country India there are
many publics places such as
monuments, airports, bus stands
etc. Many people in these public
places litter the waste in the
ground we can prevent this if we
carry the waste back home and
put in the dustbin.
FUN FACTS!
FACT NO: 1
●
There are vermi-processing toilets in which human excreta
is treated by earthworms and is converted into vermi cakes.
Vermi cake is a resource much needed for the soil.
FACT NO: 2
●
Eucalyptus trees absorb wastewater and release
pure water vapour into the atmosphere. Making the
surrounding pollution free.
FACT NO: 3
●
Mahatma Gandhi said that “No one need to wait for anyone
else to adopt a humane and enlightened course of action.”
FACT NO: 4
●
In the year 2016, the government of India initiated a new
mission known as “Swachh Bharat” to make India a clean
country.
QUESTIONS
Question No: 1
1.
Which should we plant eucalyptus trees?
Ans) It absorbs all the wastewater and releases pure water
vapour into the atmosphere.
Question No: 2
2.
What is Swachh Bharat? Which year was it launched?
Ans) A mission initiated by the government of India to make
India a clean country is called “Swachh Bharat”.
It was launched in the year 2016.
Question No: 3
3.
What did Mahatma Gandhi say?
Ans) “No one need to wait for anyone else to adopt a humane and
enlightened course of action.”
Question No: 4
4.
Why should we keep Public Places clean?
Ans) We should we our Public Places clean so that the
people visiting the Public places don’t get sick
because of poor sanitary conditions.
THANK YOU!
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