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20 questions
Water changes into ice on ____________.
heating
melting
freezing
None of the above
Water changes into water vapour on ____________________.
cooling
freezing
heating
melting
The picture below shows heavy snowfall. This happens when
water vapour freezes
water freezes
rain freezes
all of the above
When water changes into water vapour it is called
evaporation
melting
condensation
freezing
The three forms in which water exists are
ice, water, water vapour
water, snow, hailstone
water vapour, gas, snow
water, liquid, solid
Wet clothes get dried in the sun. This is an example of ______________.
melting
boiling
condensation
evaporation
Which of the following processes change water vapour into water on cooling?
Melting
Condensation
Boiling
Freezing
Choose the correct sequence in the water cycle.
Clouds ------> water vapour ------> sea -------> rain
Sea ------> water vapour -------> clouds -------> rain
Cloud -------> rain --------> sea -------> water vapour
Rain ---------> clouds---------> sea --------> water vapour
Which of these is the purest form of water?
Sea water
Rain water
Tap water
River water
Choose the INCORRECT statement.
Evaporation turns water into water vapour.
Evaporation takes place on heating.
Evaporation is the cooling of air.
Evaporation transfers water from land to the air.
Choose any one process that will change water into the gaseous form.
Melting of snow
Freezing of water
Cooling of water vapour
Boiling of water
What role does the sun play in the water cycle?
It helps in formation of cloud
It helps in evaporation
It helps in condensation
All of the above
The small balls shown in the picture are formed when
water vapour passes through very cold air
rain passes through very cold air
cloud passes through very cold air
none of the above
During winters, you can draw on a cold window pane after breathing onto it. This is due to the process of
evaporation
condensation
precipitation
melting
Which of the following can be sources of water?
Rivers
Melting of snow
Rain
All of the above
Which cycle is responsible for rain?
Snow cycle
River cycle
Water cycle
Cloud cycle
Water vapour rises up and cools down to form __________.
clouds
rain
ice
water vapour
What are clouds made up of?
Drops of Water
Gases
Snow
All of above
What does picture given below represent?
Path of germs in air
Water Cycle
Life cycle of butterfly
Living and non-living things
Precipitation can be in the form of
Rain
Hailstones
Snowflakes
All of the above
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