Class 6 Chapter 15 Science Air Around Us Extra Questions

In this page we have Class 6 Chapter 15 Science Air Around Us Extra Questions . Hope you like them and do not forget to like , social share and comment at the end of the page.

Question 1
Why does a lump of cotton wool shrink in water?

Question 2
You will often see long chimneys in factories why do you think so it is present?

Question 3
Why no water enters the bottle when it is inverted into a bucket of water vertically?

Question 4
Do you think water has air in it? Justify.

Question 5
Why do organisms living in soil comes out during rainy season for respiration?

II. Diagram based questions:

Question 6
Identify the organism. How do you think the organism get air for respiration?

Question 7

i. What phenomena is shown in the picture?
ii. why do you think the candle in the second image stops burning?

Question 8

i. What is this above picture depicting?
ii. How does air help in the above process shown?

Question 9

1. List the sources of dust particles that come into air.
2. Why is it said that always breathe through nose and not through our mouth?

Question 10

1. Name the cycle shown.
2. How does air play an important role in bringing air?

III. HOTS

Question 11
Why do you think air becomes thinner higher up?
Question 12
Carbon dioxide leads to global warming. It is important to have carbon dioxide in air. Why do you think so?

Question 13
What would happen if the percentage of oxygen and nitrogen in the atmosphere was reversed?

Question 14
Why we should not sleep under tree at night?

Question 15
The gas X is colourless and odourless having a slightly sour taste which is a minor component of air. It is moderately soluble in water. This gas neither burns nor support burning. It rather extinguishes a burning fire. If there were no gas X in air, there would be no animals or plants on earth.
1. Name the gas X.
2. State the percentage of gas X in air.
3. Why is gas X important for our life?

Question 16
Do you know of any planet or satellite where there is no atmosphere? Name some gases present there.

• Notes
• Assignments & NCERT Solutions

Practice Question

Question 1 What is $\frac {1}{2} + \frac {3}{4}$ ?
A)$\frac {5}{4}$
B)$\frac {1}{4}$
C)$1$
D)$\frac {4}{5}$
Question 2 Pinhole camera produces an ?
A)An erect and small image
B)an Inverted and small image
C)An inverted and enlarged image
D)None of the above