WorksheetsAir & Water
Total questions: 17
Worksheet time: 9mins
Air is a mixture of __________.
gases.
living things.
rocks.
We need _____________ to live.
nitrogen
carbon dioxide
oxygen
Air occupies ________and has ___________.
food and has taste.
space and has weight.
river and has fish.
Moving air is called _________.
cloud .
sea.
wind.
Smoke from ____ ,____and _____ leads to air pollution.
cloud,sea and sand
factories ,vehicles and burning
washing , cooking and flying .
________and _______ carry an oxygen cylinder on their back.
Divers and mountaineers
Chef and motorists
Watchman and guards
Plants use __________from the air to prepare their food .
oxygen
nitrogen
carbon dioxide
Earth is covered with water. It is also called _________.
red planet.
blue planet.
yellow planet.
Air and water are __________resources.
man-made
living
natural
Water is used for ______
drinking and cooking
washing and cleaning
growing crops
All of above .
Water is made impure by _________
waste thrown from home and factories into rivers.
bathing animals in the rivers.
washing of clothes in rivers.
All of above.
Aquatic animals breathe in water through their_________.
nose.
gills.
eyes.
Harmful impurities in water can be removed by _______and ________ methods.
boiling
filtering
All of above.
The snow melts from the mountains and flows in the form of _______ ,_______ and ________.
river
waterfall
stream
All of above
Rain water collects in lakes and ponds. It also goes under the ground. We get it from _______ ,________ and_________.
tube well
hand pump
well
All of above .
To save water we must :
Turn off the taps and repair leaking pipes.
Collect rainwater.
Never throw garbage.wash clothes & bathe animals in rivers .
All of above.
We cannot use the water from oceans and seas as it is very _______.
sweet
salty
sour
