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HYDROSPHERE (WATER CYCLE (PRECIPITATION (snow, Hail, Water), CONDENSATION…
HYDROSPHERE
WATER CYCLE
CONDENSATION
The water vapour rises, cools down and turns into clouds
EVAPORATION
Water vapour
TRANSPIRATION
Plant lose water
SURFACE RUNOFF
Liquid water on the surface of the Earth flows across the land
PRECIPITATION
snow
Hail
Water
INFILTRATION
Underground water
THE DISTRIBUTIONS OF WATER
COMPOSITION
Most liquid water is seawater
Seawater temperature depends on depth
The salt in seawater affect density
The seawater a mixture of mineral salts
MOVEMENT
TIDE
movement in which the rich and falls
caused by the gravitational force of the sun and the sun
OCEAN CURRENTS
horizontal movements of water within seas and oceans.
WAVES
Occurs in the surface of the water
Mainly causes by the wind
GROUNDWATER
water that is stored underground, beneath the surface of the Earth.
SURFACE WATER
Lake
Estuary
Lagoon
Marsh
Delta
Wheatland
River
GLACIERS
Slow-moving ice
below oºC
Their movement erodes
IMPORTANCE OF WATER
WATER AND HUMAN HEALTH
WATER AND CLIMATE
WATER AND LANDSCAPE
WATER IN LIVING THINGS
HUMAN WATER USE AND POLLUTION
Non-consumptive
Consumptive
Water pollution
Chemical pollution: .
water contains traces of chemical substances, such as heavy metals or pesticides
Physical pollution:
water contains floating particles, is radioactive or has been polluted thermally (it has been heated).
Biological pollution:
water contains bacteria, or other parasites.
THE HYDROSPHERE
LIQUID
Brackish water
moderate salt water
Salt water
Salt water
Fresh water
low salt content
GAS
is in the form of water vapour
SOLID
exist as snow and ice
WATER TREATMENT
WASTEWATER TREATMENT
Artificial
Natural
PURIFICATION
Water treatment facilities
COLLECTION
The water is collected
PROPERTIES OF WATER
H2O is made of 2 of hydrogen and 1 of oxygen
BOILING AND MELTING POINTS
liquid state between 0 ° C and 100 ° C
TEMPERATURE REGULATION
A lot of heat is required to raise the temperature of water and it also takes a long time to cool down.
UNIVERSAL SOLVENT
is capable of dissolving many solids, gases and other liquids
DENSITY VARIATION
Ice floats on the surface of water.