Presence of Air Around Us

IMPORTANT

Presence of Air Around Us: Overview

This Topic covers sub-topics such as Pinwheel, Weather Cock, Role of Air in Flight, Availability of Air at High Altitudes and, Role of Air in Pollination

Important Questions on Presence of Air Around Us

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Explain the role of air in pollination.

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Write the purpose of windmill.

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A wind is moving air.

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What is pinwheel?

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A pinwheel indicates the direction of the air.

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How would you show the presence of air around us?

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Choose the right word and fill in the blank provided below.

The temperature of the air _____ as we go higher from the surface of the earth. (decreases, increases)

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A celestial body that revolves around a planet is known as _____ (Satellite/Planet).

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The planet which appears reddish in colour is _____.

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The planet which is farthest from the sun is _____.

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Which of the following celestial object is also a satellite?

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Which of the following celestial objects are the members of the solar system?

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Identify the one of the correct functions of the waxy leaves of lotus plants.

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Sam's friend told him that free floating plants like water hyacinth have no roots. Is this statement correct?
 

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How does the waxy covering on the leaves of lotus plants help them survive?

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Choose the correct option to complete the sentence below.
Fixed aquatic plants protect themselves from strong water currents with the help of

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A huge planet with stormy gaseous atmosphere was spotted several light years away by the scientists. Knowledge about which of the planet of the solar system will help to understand  the distant planet better?

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The international space stations which orbits around the Earth is a type of 

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_____ makes up 99.86% of the Solar System.

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The asteroid belt in our Solar System lies in between which of the two planets?