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Water Flash Cards
Unit 2 >
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Class 6
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Samacheer Kalvi - English Medium
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22 cards in this set.
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Around 97% of water available on earth is water.
c. salty
Which of the following is not a part of water cycle?
d. distillation
Which of the following processes add water vapour to the atmosphere? i. Transpiration ii. Precipitation iii. Condensation iv. Evaporation
c. i and iv
About 30% of the fresh water is found in?
b. ground water
Using R.O. plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is .
b. use it for watering plants
Only_____ percent of natural water is available for human consumption.
0.3
The process of changing water into its vapour is called_____ .
Evaporation.
_____is built on rivers to regulate water fl ow and distribute water.
Dam
Water levels in rivers increase greatly during_____ .
raining
Water cycle is also called as_____ .
Hydrological cycle
Water present in rivers, lakes and ponds is unfi t for use by human beings.
False
Seas are formed when the water table meets the land surface.
False
The evaporation of water takes place only in sunlight.
FALSE
Condensation results in the formation of dew on grass.
True
Sea water can be used for irrigation as such.
False
Flood
Increased rain fall
Surface water
Lake
Sun light
Evaporation
Cloud
Water vapour
Frozen water
Pole
Population explosion : Water scarcity :: Recycle :_____
Water management
Ground water :_____ :: Surface water : lakes
Tube wells
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