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Class 9 Atmosphere and Climate worksheet
CBSE Social Science. Layers and gases of the atmosphere, weather and climate, pressure and winds, India’s seasons and monsoons, climate change. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
The most abundant gas in the atmosphere is:
- carbon dioxide
- argon
- oxygen
- nitrogen
Answer
(d) nitrogen
- 2.
Which describes the stratosphere?
- very thin air where light gases escape
- auroras and radio-wave reflection
- the ozone layer and aeroplane routes
- where meteors burn up
Answer
(c) the ozone layer and aeroplane routes
- 3.
In the traditional calendar, Hemanta covers roughly:
- January–February
- May–June
- March–April
- November–December
Answer
(d) November–December
Section B · short answer
- 4.
What is the difference between weather and climate?
Answer
Weather is the day-to-day state of the air; climate is the average over a large area for 30 years or more.
- 5.
Give one feature of each layer: (a) the troposphere (b) the thermosphere
Answer
(a) where weather happens (b) auroras and radio-wave reflection
Section C · long answer
- 6.
Describe the layers of the atmosphere and one feature of each.
Answer
Troposphere: weather; stratosphere: ozone and aeroplanes; mesosphere: meteors burn up; thermosphere: auroras and radio waves; exosphere: very thin air where light gases escape.
Fresh sheets for your child
In the app, every Atmosphere and Climate sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.