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WorksheetsClass 6 Science Ch-14 and Ch-15
Total questions: 20
Worksheet time: 10mins
In a drought people must:
Use limited amount of water while bathing.
Use shower while bathing
Let the tap open while brushing.
Close the tap when not in use.
Oxygen is used for:
Burning
Breathing
Electricity
What does this picture indicate?
Policemen regulating traffic at a crowded crossing often wear a mask
Presence of dust in air with sunlight
Air has oxygen
Pollution by industries.
Plants and animals depend on each other for exchange of ______ and ______ _______ from air.
Oxygen and Nitrogen
Oxygen and Dust
Oxygen and Carbon Dioxide
Nitrogen and Carbon Dioxide
In drought conditions, it is difficult to get ____ and ______.
Water and Food
Food and Oxygen
Fruits and Water
Food and fodder
The amount of usable water on earth is _______ so it needs to be used carefully.
unlimited
Limited
Infinite
72%
In rural area groundwater is extracted from:
Wells
Taps
Handpumps
How many glasses of water are required to produce 2 pages of a book?
About 1 Glass
About 2 Glasses
About 4 Glasses
None
During an incident of fire, one is advised to:
Run away
Wrap a woolen blanket
Burn the Blanket
None of these
The atmosphere is:
A layer of air
A layer of clouds
A layer of water
None of these
What does this image indicate:
Condensation
Precipitation
Evaporation
None of these
Air consists __________.
Water
Milk
Magnets
Water Vapour
Lack of rain causes:
Rain
Drought
Decrease of Oxygen in air
None of these
What will happen if the presence of oxygen in air increases to 70%?
Small organisms will die
It will be simple to extinguish fire
It will be difficult to extinguish fire.
None of these
How is oxygen removed from the air in a closed room?
Burning of substances
Through respiration by living beings
By increasing the amount of nitrogen.
None of these
What does this image indicate?
Rooftop rainwater harvesting
Making of wells
A scene of a flooded area
Water cycle
Select the activities that are possible due to the presence of air.
What is the amount of oxygen in air?
20.8%
19.9%
20.1%
20.9%
Which is a property of air?
It occupies space
It is colorless
It is everywhere
It is a component of water
Select the objects that are inflated by air
Balloons
Bus tire
Both
None of these
