Question Text
Question 1 :
Water kept in sunlight gets heat from sun and is evaporated. Does water kept under the shade of a tree also gets evaporated ?
Question 2 :
Is there any other process besides evaporation through which water vapour gets transferred into air?
Question 3 :
State True or False: We can use all the water available on the earth's surface.
Question 4 :
Fill in the blanks.
Water, in the atmosphere, on condensation fall in the form of ________.
Question 5 :
The process of changing water vapour into water is called ....................... .
Question 6 :
State whether the following statement is due to evaporation or condensation. Water drops appear on the outer surface of a glass containing cold water.
Question 8 :
The sowing of many crops depends on the arrival of _______ .
Question 9 :
Water vapour condenses to form tiny droplets of water in the upper layers of air where it is cooler. TRUE or FALSE?
Question 10 :
State True or False: The loss in the level of groundwater is due to under use.
Question 11 :
Water evaporates into air from oceans, rivers and lakes but not from the soil. TRUE or FALSE?
Question 12 :
Paheli has noticed dew on leaves of grass on winter mornings. Did you notice something similar on leaves or metal surfaces like iron grills and gates on a cold morning?
Question 13 :
No rainfall for a year or more may lead to ....................... in that region.
Question 14 :
State True or False: Water evaporates into air from oceans, rivers and lakes but not from the soil.
Question 15 :
Which of the following activity does not involve use of water?