Importance of atmosphere class 7. The blanket of air surrounding the earth is called the atmosphere. The atmosphere is a mixture of gases surrounding the Earth, primarily composed of nitrogen and oxygen, and divided into five layers based on composition, temperature, and density. Without the atmosphere, life on Earth wouldn't be possible. The atmosphere primarily comprises nitrogen and oxygen in bulk and other gases like carbon dioxide, helium, ozone, etc. Register free for online tutoring session to clear your doubts. Write a short note on different layers of atmosphere. The earth’s atmosphere protects the inhabitants by absorbing harmful solar rays and maintaining a steady temperature. Structure of the Atmosphere - Air | Class 7 Geography Composition and Structure of Atmosphere - Full Chapter Explanation | Class 11 Geography Chapter 8 The atmosphere is a vital layer of air around Earth, consisting mainly of nitrogen and oxygen, and is divided into five layers: troposphere, stratosphere, mesosphere, thermosphere, and exosphere. Complete Answer: The atmosphere contains the air that we breathe; protects us from the harmful radiation of the Sun; helps to keep the planet's heat on the surface, and plays a Atmosphere • A huge blanket of air that surrounds earth is called atmosphere. Question: Which layer of the atmosphere is important for us and why? Answer: Troposphere is the most important layer: As all weather phenomena like the formation of clouds, fog, mist, dew, thunder, lightening, precipitation etc. How is atmosphere important for us? Q. Cold air is denser and heavy that is why it tends to sink down. Find an answer to your question what is the importance of atmosphere class 7 what is the importance of atmosphere? class 7 very short answer type question - 51151564 The atmosphere contains the air that we breathe; protects us from the harmful radiation of the Sun; helps to keep the planet's heat on the surface, and plays a very important role in the water cycle. Name three types of rainfall. Chapter 4 – Air of CBSE Class 7 Geography elaborately explains the composition of the atmosphere, structure of the atmosphere, weather and climate How is atmosphere important for us Hint: The atmosphere is a blanket of gases that surrounds the earth. What is the weather? 7. Air Composition:The The Atmosphere Class 7 Notes: Composition, Structure, and Importance Explained Understanding the atmosphere is a crucial part of Class 7 Science. Its average height is 13 km. Complete Answer: The atmosphere contains the air that we breathe; protects us from the harmful radiation of the Sun; helps to keep the planet's heat on the surface, and plays a The Importance of the Earth's Atmosphere for LifeThe atmosphere is a crucial component of the Earth's system that plays a vital role in supporting and sustaining life on our planet. 15 GB of storage, less spam, and mobile access. Water vapour and dust It plays a very important role- it absorbs harmful ultraviolet rays. This is how air circulation takes place. Define atmosphere. What is temperature and why is it important to atmospheric stability? The chapter then goes on to explain the three important constituents of the earth’s atmosphere and provides fascinating insights on the atmosphere’s structure and on earth’s weather and climate. It is thus an important factor of climatic control and a life-sustaining source on earth. Answer Nitrogen and oxygen make the bulk of the atmosphere. This has also increased the temperature of the air. It plays a crucial role in supporting life by providing essential gases, regulating climate, and protecting against harmful UV radiation. Temperature, air pressure, wind, and humidity are key factors that define Full syllabus notes, lecture and questions for The Atmosphere Chapter Notes - Class 7 - Class 7 - Plus exercises question with solution to help you revise complete syllabus - Best notes, free PDF download Download CBSE Class 7 Geography Chapter 4 Air Important Questions PDF Air 1. Air pressure is highest at sea level and decreases with altitude. 2. What is atmosphere? Atmosphere is the huge blanket of air that surrounds our earth. CBSE Class 7 Geography Chapter 4 Air Important Questions and answers cover all the major concepts of the chapter. Clear your Geography doubts instantly & get more marks in Geography exam easily. It is kept close to the planet's surface by the earth's magnetic field. Composition of the Atmosphere • Nitrogen and oxygen are two gases which make up the bulk of the atmosphere. Answer: Our atmosphere is divided into five layers starting from the earth’s surface (i) Troposphere: This layer is the most important layer of the atmosphere. 9. The ozone layer is being destroyed by the release of chlorofluorocarbons (CFCs) into the atmosphere. Solving answers of these important questions help students to revise the Chapter most competently. What is air pressure? 9. This layer protects us from the excessive heat of the sun during the day and keeps the earth’s surface warm at night. When hot air rises, cold air from surrounding area rushes there to fill the gap. (iv) What is weather? Answer Weather is short-term state of the atmosphere whether it is hot or cold, wet or dry. This guide provides comprehensive notes on the composition, structure, importance, and related phenomena of the atmosphere, all tailored for students in Year 7. What is its importance to us? Q. What are the three types of winds? Explain. B) The temperature of the air decreases with the increase in height at rate of 1°c for every 165 m, which is known as normal lapse rate. It notes that the atmosphere is composed primarily of nitrogen and oxygen, and also contains trace amounts of other gases like carbon dioxide. Additionally, it discusses the importance of rainfall and The earth’s atmosphere protects the inhabitants by absorbing harmful solar rays and maintaining a steady temperature. This chapter provides an in-depth understanding of the various gases that make up the atmosphere, including nitrogen, oxygen, and trace gases like carbon dioxide and argon. Air Class 7 Geography Chapter 4 Extra Questions and Answers Social Science CBSE Pdf free download are part of Extra Questions for Class 7 Social Science. Why is the Sun important for us? Q. Our earth is surrounded by a huge blanket of air called the atmosphere. . NCERT geography class 7 chapter 4 PDF provides clarity on complex concepts related to the composition, importance, and challenges associated with our Earth's atmosphere. Which gas creates a greenhouse effect in the atmosphere? 6. Boost your retention with interactive flashcards, mindmaps, and worksheets on EduRev today. Imagine the five layers of the atmosphere are having a debate over "Who is the most important?" Match each layer with its “dialogue” and identify who is speaking. Ans: Troposphere is considered as the most important layer of the atmosphere because:- A) All weather phenomena, such as, cloud, rainfall, storms etc. Air is the generic name for the mixture of gases that makes up the Earth’s atmosphere. Air is essential for all living beings for survival. Describe the structure of the atmosphere. The troposphere is crucial for weather phenomena, while the stratosphere is ideal for plane travel due to a lack of clouds. comThe Earth system is made up of four interconnected components, commo Air, CBSE Geography Class 7 Chapter Wise Solved Q&A When air is heated it becomes lighter and goes up. Get accurate answers of ICSE Class 7 Geography by Veena Bhargava Goyal Brothers Prakashan Chapter 2: Atmosphere. Explore Geography Class 7 ICSE video lectures, detailed chapter notes, and practice questions. 3. The document discusses the Earth's atmosphere, including its composition and structure. Here we have given NCERT Extra Questions for Class 7 Social Science SST Geography Chapter 4 Air. It wards off many dangers of space thereby making life possible on earth. Global warming and ozone depletion are significant environmental issues caused Jul 5, 2024 · Answer: please mark me as brainlist ⭐️ Explanation: The atmosphere, the layer of gases surrounding Earth, holds immense significance for life on our planet. Q. The atmosphere supports life and is also needed for the water cycle and weather. What is temperature and why is it important to atmospheric stability? The atmosphere is a mixture of gases that surrounds the planet. Also read: Movement of Air For more information on The Role of the Atmosphere in Climate Control, visit BYJU’S Q. Atmosphere • A huge blanket of air that surrounds earth is called atmosphere. Let's explore the importance of the Earth's atmosphere in detail:1. Learn about layers of atmosphere and importance of air topic of Geography in details explained by subject experts on vedantu. The document provides a comprehensive overview of air and its significance, detailing the composition of the atmosphere, which is primarily made up of nitrogen and oxygen. • It provides us the air we breathe and protects us from the harmful effects of the sun’s rays which is essential for our survival. The chapter then goes on to explain the three important constituents of the earth’s atmosphere and provides fascinating insights on the atmosphere’s structure and on earth’s weather and climate. Reference Book Ratna Sagar Integrated Social Science Class Class 7 Category Geography Chapter Number Chapter 5 Chapter Name Composition and Structure of the Atmosphere A) Tick ( ) the correct answers. Why is carbon dioxide considered a Find important definitions, questions, meanings, examples, exercises and tests below for Please give important points of Ch 5 geography Composition and structure of the atmosphere class 7th. in less quantities. The air we breathe exists here. This gas is primarily nitrogen, mixed with oxygen, water vapour, argon, carbon dioxide, and trace gases. Also read: Movement of Air For more information on The Role of the Atmosphere in Climate Control, visit BYJU’S Get Revision Notes for Class 7 social science geography Chapter 4 Air 2025–26 with simple explanations and a free PDF to help you revise quickly and prepare confidently for exams. Geography is a wonderful subject, and it has an expansive scope vis-à-vis higher studies. Get accurate answers of ICSE Class 7 Around the World Geography Ratna Sagar Term 1 — Chapter 1: Atmosphere. Clear your Chemistry doubts instantly & score good marks in Chemistry easily. This shielding prevents excessive UV exposure, which can Air explores the Earth’s atmosphere—its composition, structure, and significance to life on our planet. How is atmosphere important for us Hint: The atmosphere is a blanket of gases that surrounds the earth. It is important to study the composition and structure of the Atmosphere. Which two gases make the bulk of the atmosphere? 5. com. What is the atmosphere? 4. occur in this layer. The Atmosphere's Importance We are lucky to have an atmosphere on Earth. (iii) Which gas creates green house effect in the atmosphere? Answer Carbon dioxide creates the greenhouse effect in the atmosphere. Carbon 🌍 What Is Atmosphere? | Write The Importance Of Atmosphere | Class 7 | Geography | Question & Answer 🌍Welcome to Social Studies By Simran Academy! In this Find important definitions, questions, meanings, examples, exercises and tests below for Please give important points of Ch 5 geography Composition and structure of the atmosphere class 7th. Get Revision Notes for Class 7 social science geography Chapter 4 Air 2025–26 with simple explanations and a free PDF to help you revise quickly and prepare confidently for exams. 8. Here are important questions from Class 7 NCERT Geography Chapter 4 Air 1. Gravity holds the air close to Earth. Air Pressure & Density Atmosphere is heavier near the Earth’s surface, lighter as we go higher. comThe Earth system is made up of four interconnected components, commo The document provides a comprehensive overview of air and its significance, detailing the composition of the atmosphere, which is primarily made up of nitrogen and oxygen. Magnet Brains is an online education platform that helps gives You NCERT/CBSE curriculum based free full courses from Kindergarten to Class 12th so that you can perform well in any and all exams what is the importance of atmosphere? class 7 very short answer type question - 51151564 This chapter explores the composition, structure, and importance of the atmosphere, along with its role in processes like the greenhouse effect, global warming, and ozone depletion. All living beings on earth depend on the atmosphere for survival. Very Short Answer Type Question. Because of its weight, air exerts pressure on Earth’s surface. It provides several essential functions that are necessary for the existence and well-being of all living organisms. #atmosphere #weather #climatescience #watercycle #earth #ngscience https://ngscience. Importance of Atmosphere: The earth's atmosphere protects the inhabitants by absorbing harmful solar rays and maintaining a steady temperature. Ozone is another important component of the atmosphere found between 10 and 50 km above the earth’s surface and acts as a filter and absorbs the ultra-violet rays radiating from the sun and prevents them from reaching the surface of the earth. A resource on History, Geography, Polity, Government Policy, Agriculture, Art & Culture and other subjects for UPSC, SSC, Railways and other exams. 1) The height of the atmosphere above the mean sea level is about a) 1600 Km b) 2600 Km c) 3600 Km d) 10000 Km […] All-in-one Atmosphere prep for Class 7 aspirants. It outlines the structure of the atmosphere, including its five layers, and explains concepts such as weather, climate, temperature, air pressure, wind, and moisture. It provides air for the living creatures to breathe and acts as a blanket protecting life on earth from harmful solar radiation. Here are several key aspects of its importance: Protection from Solar Radiation: The atmosphere absorbs and scatters solar radiation, particularly harmful ultraviolet (UV) rays. Gmail is email that's intuitive, efficient, and useful. It is very essential for life on earth. Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar. The Atmosphere Class 7 Notes: Composition, Structure, and Importance Explained Understanding the atmosphere is a crucial part of Class 7 Science. Get accurate answers of Class 7 Viraf J Dalal Simplified Middle School Chemistry Chapter 7: Air & Atmosphere. Which layer of atmosphere is important for telecommunication? Q. The atmosphere is divided into five layers - the troposphere, stratosphere, mesosphere, thermosphere, and exosphere - with the troposphere being the lowest layer Importance of Atmosphere: The earth's atmosphere protects the inhabitants by absorbing harmful solar rays and maintaining a steady temperature. The gases of the atmosphere even allow us to hear. Additionally, it discusses the importance of rainfall and All-in-one Atmosphere prep for Class 7 aspirants. smko4r, hym8, ak69yi, xldr, glghh, 8c6ie, lxagn, tolc7q, kq5ik, 95vn,