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WorksheetsThe World Around Us
Total questions: 17
Worksheet time: 9mins
Trees take in _________ and give out _________.
oxygen, carbon dioxide
carbon dioxide, oxygen
Trees keep the air (a) and clean.
Human beings and animals need _________ to breathe in and ________to breathe out.
oxygen, carbon dioxide
carbon dioxide, oxygen
Trees cool the air by (a) in the heat of the sunrays that fall on them.
Pollution can cause some plants, animals and people to get _________ or even _________.
die, sick
sick, die
Pollution is anything that makes the earth dirty and people (a) .
Pollution occurs when the (a) such as air, water or the land are made dirty by people.
Air pollution occurs when smoke, dust, harmful gases enter the (a) .
Air pollution can cause ________. Check all the correct answer.
cough
diarrhea
burning eyes
asthma
Choose all the correct facts that can reduce the effect of air pollution.
Use water wisely
Choose recycled products
Save energy
Stop using car for a short trip
Water pollution contains ________ . Check all the suitable answer for the sentence.
plastic bags
bottles
salt
fertilizers
oil
Effects of water pollution are
Diseases like Cholera
Malaria
Typhoid
Aquatic life gets destroyed
Stop using car for a short trip
Do not throw rubbish, oil, paints or (a) into the water.
Using lots of chemicals like fertilizers, (a) , pesticides during agricultural practice can cause land pollution.
What does reduce means to?
use less
use again
change something into new products
What does reuse means to?
change something into new products
use again
use less
What does recycle mean to?
use less
change something into new products
use again
