Hi, I am Keerti this is a presentation on water hope you like it... school - Convent of Gagan Bharti New Delhi - 59 Class - 7th A1

1. WATER
KEERTI KUSHWAHA

2. AGENDA
Introduction
3
Water Resource
4
Water and Humidity
5
Glaciers
6
SUMMARY
13

3. INTRODUCTION
Water is a transparent colourless chemical substance
with one oxygen atom covalently bonded to two
hydrogen atoms. Water is cycled continuously on
Earth through evaporation, transpiration,
condensation, precipitation, and other means.
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4. WATER RECOURSES
1. Surface water
2. Under river flow
3. Ground water
4. Frozen water
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5. WATER AND HUMIDITY
o Water Water is a transparent colourless chemical substance with one oxygen atom
covalently bonded to two hydrogen atoms.
o Humidity Humidity is the concentration of water vapor present in the air. Water vapor, the
gaseous state of water, is generally invisible to the human eye
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6. GLACIERS
oA glacier is a large, perennial accumulation of
crystalline ice, snow, rock, sediment, and often
liquid water that originates on land and moves
down slope under the influence of its own
weight and gravity.
oOver multiple decades this continuing
accumulation of snow results in the presence
of a large enough mass of snow for the
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7. SUMMARY
Water resources
are natural resources of
water that are potentially
useful for humans, for
example as a source of
drinking water supply or
irrigation water. 97% of
the water on Earth is salt
water and only three
percent is fresh water;
slightly over two-thirds
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8. THANK YOU
KEERTI KUSHWAHA
KUSHWAHAKEERTI82@GMAIL.COM
CONVENT OF GAGAN BHARTI SCHOOL ,NEW DELHI
7TH A1