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Water

Water is a compound formed from hydrogen and oxygen, existing in three states: solid, liquid, and vapor. The water cycle consists of evaporation, condensation, precipitation, and collection, playing a crucial role in the distribution of water on Earth, which is primarily saltwater (97%) and freshwater (3%). Key processes related to water include evaporation, transpiration, condensation, and water treatment, emphasizing its importance in environmental conservation and usability.

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7 views2 pages

Water

Water is a compound formed from hydrogen and oxygen, existing in three states: solid, liquid, and vapor. The water cycle consists of evaporation, condensation, precipitation, and collection, playing a crucial role in the distribution of water on Earth, which is primarily saltwater (97%) and freshwater (3%). Key processes related to water include evaporation, transpiration, condensation, and water treatment, emphasizing its importance in environmental conservation and usability.

Uploaded by

Asehon E Honour
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as TXT, PDF, TXT or read online on Scribd
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Water

By defn: Water is the compound formed


between hydrogen gas and water

Term used
i. Evaporation: Evaporation is the process
whereby water changes to vapour/gas
or steam
ii. Transpiration: Transpiration is the process
whereby plant loses water by
evaporation
iii. Condensation: Condensation is the
process whereby water vapour change
back to liquid to form clouds
iv. Precipitation: Precipitation is the situation
whereby rain, snow and sleet (rain with
ice) that falls to ground
v. Collection: Collection is the situation
whereby rain accumulated at earth
ground
vi. Water body: water body is the natural
place where can be a source of water.
E.g. wells, rivers, lakes, stream, sea,
ponds, springs etc
vii. environmental conservation:
environmental conservation is the
process of preservation or restoration of
the natural environment and wildlife
viii. fog: fog is a thick cloud of tiny water
droplets suspended in the atmosphere at
or near the earth's surface which make
visibility difficult
ix. Universal Solvent: universal solvent is a
solvent dissolves more substance than
any solid
x. Specific Heat Index: specific heat index is
ability of a substance to absorbs heat
before being hot
xi. Surface Tension: surface tension is
properties of liquid to behave like an
elastic skin
xii. Solubility: Solubility is the process of
dissolving a solute in solvent
xiii. Water treatment: Water treatment is the
process of making water usable
xiv. Water purification: Water purification is
the process of removal contaminants
from treated water

Occurrence of water
The water on the earth occurs in three main
states includes
i. Solid state e.g. snow, hail
ii. Liquid state e.g. dew, rain
iii. Vapour state e.g. mist, steam, clouds

Distribution of earth’s water


There two kind of water include
i. Salt water – 97% of earth’s water
ii. Fresh water - 3% of earth’s water

Distribution of Fresh’s water


Fresh water distributed as follows
i. Ice caps and glaciers – 68.7% of fresh’s
water
ii. Ground water– 30.1% of fresh’s water
iii. Surface water– 0.3% of fresh’s water
iv.Other water– 0.9% of fresh’s water

Water Cycle
By defn: water cycle is the system whereby
water being recycled. Also is called
Hydrological Cycle

Water Cycle Parts


Water cycle is made up to four main parts,
includes
i. Evaporation (include transpiration)
ii. Condensation
iii. Precipitation
iv.Collection

Evaporation (include transpiration)


Water from rivers, lakes, stream, sea, ponds
etc evaporate to air. Plants lose water by
transpiration while animal and human being
lose water through perspiration and
sweating

Condensation
Water vapour obtained by evaporation,
transpiration, perspiration and sweating in
the air gets cold and changes back into
liquid to form clouds

Precipitation
Rain start when air fails to hold condensed
water and final results rain

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