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Chapters
1.02: Ancient Civilisations
1.03: Early Tamil Society and Culture
1.04: Intellectual Awakening and Socio-Political Changes
1.05: The Classical World
1.06: The Middle Ages
1.07: State and Society in Medieval India
1.08: The Beginning of the Modern Age
1.09: The Age of Revolutions
1.1: Industrial Revolution
1.11: Colonialism in Asia and Africa
2.01: Lithosphere – 1 Endogenetic Processes
2.02: Lithosphere – 2 Exogenetic Processes
▶ 2.03: Atmosphere
2.04: Hydrosphere
2.05: Biosphere
2.06: Man and Environment
2.07: Mapping Skills
2.08: Disaster Management: Responding to Disasters
3.01: Forms of Government and Democracy
3.02: Election, Political Parties and Pressure Groups
3.03: Human Rights
3.04: Forms of Government
3.05: Local Self Government
3.06: Road Safety
4.01: Understanding Development: Perspectives, Measurement and Sustainability
4.02: Employment in India and Tamil Nadu
4.03: Money and Credit
4.04: Agriculture in Tamil Nadu
4.05: Migration
![Samacheer Kalvi solutions for Social Science [English] Class 9 TN Board chapter 2.03 - Atmosphere - Shaalaa.com](/images/social-science-english-class-9-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Social Science [English] Class 9 TN Board chapter 2.03 - Atmosphere")
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Solutions for Chapter 2.03: Atmosphere
Below listed, you can find solutions for Chapter 2.03 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Social Science [English] Class 9 TN Board.
Samacheer Kalvi solutions for Social Science [English] Class 9 TN Board 2.03 Atmosphere Exercises [Pages 190 - 191]
Choose The Best Answers
_______ is the most important gas for the survival of living organisms.
Helium
carbon-di-oxide
oxygen
methane
The lowest layer of the atmosphere is ______.
Troposphere
Stratosphere
Exosphere
Mesosphere
______ reflects radio waves.
Exosphere
Ionosphere
Mesosphere
Stratosphere
The process of change of state of water from gaseous to liquid state is called ______.
Precipitation
evaporation
transpiration
condensation
The ______ is the chief energy source of the Earth.
Sun
Moon
Stars
Clouds
All types of clouds are found in the ______.
Troposphere
Ionosphere
Mesosphere
Exosphere
______ clouds are called 'Sheep clouds'.
Alto-cumulus
Alto-Stratus
Nimbo - stratus
Cirro-stratus
The Monsoons are ______.
Prevailing winds
Periodic winds
local winds
none of the above
Dew in the form of ice crystals is called ______.
frost
fog
mist
sleet
______ is called the eye of the storm/cyclone.
Pressure
wind
cyclones
snow
The vertical movement of air is called ______.
Wind
storm
Air current
drift
Match the following
| 1. Meteorology | wind speed |
| 2. Climatology | direction of wind |
| 3. Anemometer | cirrus |
| 4. Wind Vane | study of climate |
| 5. Mare's Tail | study of weather |
| 6. Leeward side | Australia |
| 7. Willy willy | rain shadow region |
Answer the following Briefly
Answer the following questions
What is atmosphere?
Mention the factors that affect the climate?
Write short note on Lapse rate.
What are the processes responsible for heating the atmosphere?
Mention the Planetary wind system of the earth.
Write short note on Trade winds.
Write short note on Roaring Forties.
How are clouds formed?
What are the different types of rainfall?
Write short note on drizzle.
Write short note on rain.
Write short note on sleet.
Write short note on snow.
Write short note on heat.
Give reason
Cyclones cause huge loss of life and property.
Cloudy days are warmer than cloudless days.
Fog is dangerous for traffic.
Convectional rainfall is also called 4'0 clock rain.
Polar Easterlies are cold and dry. Why it is so?
Distinguish between Weather and climate.
Distinguish between Land breeze and sea breeze.
Distinguish between Windward side and Leeward side.
Mention any two differences between Tropical Cyclones and Temperature Cyclones.
Paragraph Questions
Describe the structure of the atmosphere.
Explain the different types of Permanent winds.
How are clouds classified? Explain them.
How are cyclones formed?
How are cyclones classified?
Explain the different forms of precipitation.
Solutions for 2.03: Atmosphere
Samacheer Kalvi solutions for Social Science [English] Class 9 TN Board chapter 2.03 - Atmosphere
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Concepts covered in Social Science [English] Class 9 TN Board chapter 2.03 Atmosphere are Weather and Climate, Weather and Climate, Introduction of Atmosphere, Composition of the Atmosphere, Wind, Planetary Winds, Periodic Winds, Variable Winds, Local Winds, Cyclones, Clouds, Rainfall and It's Types, Humidity, Atmosphere and Its Layers.
Using Samacheer Kalvi Social Science [English] Class 9 TN Board solutions Atmosphere exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Social Science [English] Class 9 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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