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Air Around Us - 1 Class 2 Worksheet Science

Q1: Tick (✓) the correct choice

(i) This is not true about air.
(a) We can see air all around us.
(b) All living things need air to breathe.
(c) Air takes up space.

Ans: (a)
It is present everywhere around us. Air has no colour and one can see through it. It is transparent. Our earth is surrounded by a thin layer of air.

(ii) Strong and fast moving air is called a
(a) wind
(b) breeze
(c) storm
Ans: 
(c)
Storm : Fast and strong moving wind is called storm.
Air Around Us - 1 Class 2 Worksheet Science(iii) The movement of different objects along with the air tells us that
(a) air takes up space
(b) air is all around us
(c) air always blows in a certain direction

Ans: (c)
The movement of different objects along with the air tells us that air always blows in a certain direction. 

Q2: Fill in the Blanks

Air Around Us - 1 Class 2 Worksheet Science

(i) _________ from vehicles pollutes the air.
Ans: Smoke from vehicles pollutes the air.
Smoke from vehicles pollutes the air.

(ii) When we blow up a balloon, we are filling Air into it.
Ans: 
When we blow up a balloon, we are filling ____________ into it.
When we blow up a balloon, we are filling air into it.

(iii) Moving air is called ____________ .
Ans: Moving air is called Wind.

Q3: True and False

(i) A breeze can be very dangerous.
Ans: 
False
Breeze: Slow and gentle moving wind is called breeze.

(ii) Air helps the birds to fly.
Ans: 
True
Birds can fly only due to the presence of air. They fly by pushing the air downwards and backwards with their wings.

(iii) Air is present everywhere.
Ans: 
True
It is present everywhere around us. Air has no colour and one can see through it. It is transparent. Our earth is surrounded by a thin layer of air.

Q4: Match the following

Air Around Us - 1 Class 2 Worksheet Science

Ans:
Air Around Us - 1 Class 2 Worksheet Science

Q5: Short Questions Answer

(i) Name any three things that make the air impure.
Ans: 
Human air pollution is caused by things such as factories, power plants, cars, airplanes, chemicals, fumes etc.

(ii) What is a storm?
Ans:
Storm: a violent weather with strong winds
Example sentence: The storm took away the umbrella I was carrying.

The document Air Around Us - 1 Class 2 Worksheet Science is a part of the Class 2 Course Science for Class 2.
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FAQs on Air Around Us - 1 Class 2 Worksheet Science

1. What is the composition of air?
Ans. Air is composed of mainly nitrogen (about 78%), oxygen (about 21%), and small amounts of other gases such as carbon dioxide, argon, and water vapor.
2. How is air important for living organisms?
Ans. Air is essential for living organisms as it provides oxygen for respiration. It also helps in the process of photosynthesis in plants and plays a crucial role in maintaining the Earth's temperature.
3. How does air pollution affect human health?
Ans. Air pollution can have various adverse effects on human health. Breathing polluted air can lead to respiratory problems, allergies, and other diseases. Long-term exposure to air pollution can also increase the risk of cardiovascular diseases and lung cancer.
4. What are the sources of air pollution?
Ans. There are several sources of air pollution, including industrial emissions, vehicle exhaust, burning of fossil fuels, agricultural activities, and natural phenomena like volcanic eruptions and forest fires.
5. How can we reduce air pollution?
Ans. To reduce air pollution, we can take several measures such as using cleaner fuels, promoting renewable energy sources, improving vehicle emissions standards, reducing industrial emissions, and practicing sustainable agricultural methods. Additionally, raising awareness and actively participating in environmental conservation efforts can also contribute to reducing air pollution.
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