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Ncert Disaster Management Book For Class 9 21: Tips and Tricks for Studying and Scoring Well


Ncert Disaster Management Book For Class 9 21: A Comprehensive Guide




Disasters are sudden and unpredictable events that cause widespread damage, disruption and suffering to human life, property and environment. Disasters can be natural or man-made, such as floods, droughts, earthquakes, tsunami, cyclones, landslides, wars, terrorism, etc. Disasters pose a serious threat to the development and well-being of individuals, communities and nations. Therefore, it is essential to learn how to prevent, prepare for, respond to and recover from disasters effectively.




Ncert Disaster Management Book For Class 9 21



Disaster management is the discipline that deals with the planning, organization, coordination and implementation of measures to reduce the risk and impact of disasters. Disaster management aims to protect lives, livelihoods, assets and environment from the adverse effects of disasters. Disaster management also involves enhancing the resilience and coping capacity of people and institutions to cope with disasters.


Ncert Disaster Management Book For Class 9 21 is a textbook that provides comprehensive knowledge and skills on disaster management for students of class 9. The book is based on the latest syllabus prescribed by the National Council of Educational Research and Training (NCERT) for class 9 social science. The book covers various aspects of disaster management such as concepts, terminology, types, phases, cycle, hazards, mitigation, community participation, preparedness, response and recovery. The book also includes case studies, examples, diagrams, tables, maps, charts, activities, exercises and questions to enhance the learning experience of students.


In this article, we will provide you with a detailed guide on how to use Ncert Disaster Management Book For Class 9 21 effectively. We will also give you an overview of the main topics covered in the book. By reading this article, you will be able to understand the importance and objectives of disaster management, learn about the features and benefits of using Ncert Disaster Management Book For Class 9 21, get tips and strategies for reading and understanding the book, practice the activities and exercises for applying and practicing the concepts, and review the key points from each unit of the book.


What is Disaster Management?




Before we dive into the details of Ncert Disaster Management Book For Class 9 21, let us first understand what disaster management is and why it is important.


Definition and meaning of disaster management




According to the United Nations Office for Disaster Risk Reduction (UNDRR), disaster management is "the organization and management of resources and responsibilities for dealing with all humanitarian aspects of emergencies, in particular preparedness, response and recovery in order to lessen the impact of disasters".


Disaster management is a multidisciplinary and cross-sectoral field that involves various actors, such as governments, international organizations, non-governmental organizations, civil society, private sector, media, academia, etc. Disaster management also requires the integration of different domains, such as science, technology, engineering, medicine, sociology, psychology, economics, politics, law, ethics, etc.


Disaster management is not a one-time event or activity, but a continuous and dynamic process that evolves over time and adapts to changing contexts and needs. Disaster management encompasses the entire spectrum of actions and measures that aim to prevent or reduce the risk of disasters, prepare for and mitigate the impact of disasters, respond to and provide relief and assistance during and after disasters, and recover from and rebuild after disasters.


Importance and objectives of disaster management




Disaster management is important for several reasons. Some of the main reasons are:



  • Disaster management saves lives and reduces human suffering. By implementing effective disaster management strategies and actions, we can prevent or minimize the loss of lives, injuries, diseases and disabilities caused by disasters. We can also provide timely and adequate humanitarian assistance to the affected people and communities.



  • Disaster management protects livelihoods and assets. By implementing effective disaster management strategies and actions, we can prevent or reduce the damage and destruction of property, infrastructure, environment and natural resources caused by disasters. We can also restore and enhance the economic and social activities and opportunities of the affected people and communities.



  • Disaster management promotes development and well-being. By implementing effective disaster management strategies and actions, we can prevent or reduce the negative impact of disasters on the development goals and indicators of individuals, communities and nations. We can also foster resilience and coping capacity of people and institutions to deal with future disasters.



The main objectives of disaster management are:



  • To reduce the risk and vulnerability of people and assets to disasters.



  • To enhance the preparedness and readiness of people and institutions to face disasters.



  • To mitigate the impact and consequences of disasters on people and assets.



  • To respond to the needs and demands of the affected people and communities during and after disasters.



  • To recover from the effects of disasters and rebuild better.



What is Ncert Disaster Management Book For Class 9 21?




Now that we have understood what disaster management is and why it is important, let us learn more about Ncert Disaster Management Book For Class 9 21.


Overview and features of the book




Ncert Disaster Management Book For Class 9 21 is a textbook that provides comprehensive knowledge and skills on disaster management for students of class 9. The book is based on the latest syllabus prescribed by the National Council of Educational Research and Training (NCERT) for class 9 social science. The book covers various aspects of disaster management such as concepts, terminology, types, phases, cycle, hazards, mitigation, community participation, preparedness, response and recovery.


The book consists of three units: Unit I: Introduction to Disaster Management; Unit II: Specific Hazards and Mitigation; Unit III: Community Based Disaster Management. Each unit contains several chapters that cover different topics related to disaster management. Each chapter begins with an introduction that gives an overview of the topic. Each chapter also ends with a summary that highlights the key points from the topic. The book also includes case studies, examples, diagrams, tables, maps, charts, activities, exercises and questions to enhance the learning experience of students.


Some of the features of Ncert Disaster Management Book For Class 9 21 are:



  • The book is written in a simple and lucid language that is easy to understand for students.



  • The book follows a logical sequence and structure that helps students to grasp the concepts easily.



  • The book provides relevant facts and figures that support the arguments and explanations given in the book.



  • The book uses illustrations and graphics that make the content more attractive and engaging for students.



  • The book incorporates multiple perspectives and dimensions that enrich the understanding of students on disaster management.



  • The book encourages critical thinking and problem-solving skills among students by posing questions and challenges throughout the book.



  • The book promotes active learning and participation among students by providing activities and exercises that require them to apply and practice what they have learned in the book.



Benefits and advantages of using the book




Using Ncert Disaster Management Book For Class 9 21 has many benefits and advantages for students who want to learn about disaster management. Some of the benefits and advantages are:



  • The book helps students to develop a holistic and multidimensional understanding of disaster management. The book covers various aspects of disaster management such as concepts, terminology, types, phases, cycle, hazards, mitigation, community participation, preparedness, response and recovery. The book also incorporates multiple perspectives and dimensions that enrich the understanding of students on disaster management.



  • The book helps students to acquire relevant knowledge and skills on disaster management. The book provides relevant facts and figures that support the arguments and explanations given in the book. The book also uses illustrations and graphics that make the content more attractive and engaging for students. The book encourages critical thinking and problem-solving skills among students by posing questions and challenges throughout the book.



  • The book helps students to apply and practice what they have learned on disaster management. The book promotes active learning and participation among students by providing activities and exercises that require them to apply and practice what they have learned in the book. The book also includes case studies, examples, diagrams, tables, maps, charts, activities, exercises and questions to enhance the learning experience of students.



  • The book helps students to prepare for their exams and assessments on disaster management. The book follows a logical sequence and structure that helps students to grasp the concepts easily. The book also provides a summary at the end of each chapter that highlights the key points from the topic. The book also provides questions at the end of each chapter that help students to test their understanding and recall of the topic.



How to use Ncert Disaster Management Book For Class 9 21 effectively?




Now that we have learned about the overview, features, benefits and advantages of Ncert Disaster Management Book For Class 9 21, let us learn how to use it effectively. Here are some tips and strategies for reading and understanding the book, and for applying and practicing the concepts.


Tips and strategies for reading and understanding the book





  • Before you start reading a chapter, read the introduction that gives an overview of the topic. This will help you to get an idea of what you are going to learn in the chapter.



  • While reading a chapter, pay attention to the headings and subheadings that organize the content into sections and subsections. This will help you to follow the sequence and structure of the chapter.



  • While reading a chapter, look at the illustrations and graphics that accompany the text. These will help you to visualize and comprehend the content better.



  • While reading a chapter, note down the important facts and figures that support the arguments and explanations given in the text. These will help you to remember and recall the content later.



  • While reading a chapter, try to answer the questions and challenges that are posed throughout the text. These will help you to check your understanding and apply your critical thinking and problem-solving skills.



  • After reading a chapter, read the summary that highlights the key points from the topic. This will help you to review and revise the content.



  • After reading a chapter, attempt the questions that are given at the end of the chapter. These will help you to test your understanding and recall of the topic.



Activities and exercises for applying and practicing the concepts





  • After reading each chapter, try to do the activities and exercises that are given in the book. These will help you to apply and practice what you have learned in the book.



  • While doing the activities and exercises, try to use your own words and examples rather than copying and pasting from other sources. This will help you to improve your writing and communication skills.



  • While doing the activities and exercises, try to work in groups or pairs with your classmates or friends. This will help you to learn from each other and share your ideas and opinions.



  • While doing the activities and exercises, try to use different sources of information such as books, journals, newspapers, magazines, websites, etc. This will help you to broaden your knowledge and perspective on disaster management.



  • While doing the activities and exercises, try to be creative and innovative in your approach and presentation. This will help you to make your work more interesting and engaging.



What are the main topics covered in Ncert Disaster Management Book For Class 9 21?




In this section, we will give you an overview of the main topics covered in Ncert Disaster Management Book For Class 9 21. We will also provide you with some key points from each unit of the book.


Unit I: Introduction to Disaster Management




This unit introduces the basic concepts and terminology of disaster management. It also explains the types and classification of disasters, and the phases and cycle of disaster management.


Some of the key points from this unit are:



  • A disaster is an undesirable occurrence resulting from forces that are largely outside human control, strikes quickly with little or no warning, which causes or threatens serious disruption of life and property including death and injury to a large number of people, and requires therefore, mobilisation of efforts in excess of that which are normally provided by statutory emergency services.



  • A natural hazard is a natural phenomenon that has the potential to cause harm or damage to people or property. A natural disaster is a natural hazard that has actually occurred and caused harm or damage to people or property.



  • A man-made hazard is a human-induced phenomenon that has the potential to cause harm or damage to people or property. A man-made disaster is a man-made hazard that has actually occurred and caused harm or damage to people or property.



  • Disasters can be classified into different types based on various criteria such as origin, speed of onset, frequency, duration, intensity, impact area, etc. Some of the common types of disasters are geological disasters (such as earthquakes, volcanic eruptions, landslides), hydro-meteorological disasters (such as floods, droughts, cyclones), biological disasters (such as epidemics, famines), technological disasters (such as industrial accidents, nuclear accidents), environmental disasters (such as pollution, deforestation), social disasters (such as wars, terrorism), etc.



  • The phases of disaster management are prevention, mitigation, preparedness , response and recovery. Prevention refers to the measures taken to avoid or eliminate the occurrence or recurrence of a disaster. Mitigation refers to the measures taken to reduce or minimize the risk or impact of a disaster. Preparedness refers to the measures taken to enhance the readiness and capacity of people and institutions to cope with a disaster. Response refers to the measures taken to provide immediate relief and assistance to the affected people and communities during and after a disaster. Recovery refers to the measures taken to restore and rebuild the normal functioning of people and communities after a disaster.



  • The cycle of disaster management is a conceptual model that illustrates the interrelationship and interdependence of the phases of disaster management. The cycle of disaster management consists of four stages: pre-disaster stage, emergency stage, post-disaster stage and development stage. The pre-disaster stage includes prevention and mitigation activities. The emergency stage includes preparedness and response activities. The post-disaster stage includes recovery and rehabilitation activities. The development stage includes development and reconstruction activities.



Unit II: Specific Hazards and Mitigation




This unit deals with some of the specific hazards and disasters that are common in India and the world. It also discusses the causes, consequences and management of these hazards and disasters.


Some of the key points from this unit are:



  • Floods are overflow of water that submerges land that is usually dry. Floods can be caused by heavy rainfall, snowmelt, storm surge, dam failure, etc. Floods can have positive effects such as replenishing soil fertility, recharging groundwater, supporting biodiversity, etc. Floods can also have negative effects such as loss of lives, damage to property, disruption of services, spread of diseases, etc. Flood management involves structural measures such as dams, embankments, drainage channels, etc., and non-structural measures such as flood forecasting, warning, evacuation, relief, etc.



  • Droughts are prolonged periods of abnormally low rainfall or moisture that result in water shortage for human or environmental needs. Droughts can be caused by climatic variability, human activities, land degradation, etc. Droughts can have negative effects such as crop failure, food insecurity, malnutrition, health problems, migration, conflicts, etc. Drought management involves structural measures such as irrigation systems, water harvesting structures, groundwater recharge structures, etc., and non-structural measures such as drought monitoring, early warning, contingency planning, relief, etc.



  • Earthquakes are sudden and violent shaking of the earth's surface caused by the release of energy along the faults or fractures in the earth's crust or upper mantle. Earthquakes can be caused by natural factors such as plate tectonics, volcanic activity, landslides, etc., or by human factors such as mining, blasting, nuclear testing, etc. Earthquakes can have negative effects such as loss of lives, damage to property, collapse of buildings, infrastructure and services, fires, landslides, tsunami, etc. Earthquake management involves structural measures such as seismic design, retrofitting, building codes, etc., and non-structural measures such as seismic zoning, hazard mapping, awareness generation, preparedness drills, emergency response, etc.



  • Tsunami are series of large waves generated by the displacement of a large volume of water in the ocean or a large lake. Tsunami can be caused by natural factors such as earthquakes, volcanic eruptions, landslides, meteorites, etc., or by human factors such as nuclear explosions, underwater explosions, etc. Tsunami can have negative effects such as loss of lives, damage to property, coastal erosion , salinization, pollution, etc. Tsunami management involves structural measures such as seawalls, breakwaters, mangroves, etc., and non-structural measures such as tsunami warning system, evacuation plan, public education, emergency response, etc.



  • Cyclones are intense low-pressure systems that are accompanied by strong winds and heavy rainfall. Cyclones can be classified into tropical cyclones and extra-tropical cyclones based on their origin and location. Cyclones can have positive effects such as bringing rainfall, moderating temperature, dispersing pollutants, etc. Cyclones can also have negative effects such as loss of lives, damage to property, flooding, storm surge, landslides, etc. Cyclone management involves structural measures such as cyclone shelters, coastal protection structures, etc., and non-structural measures such as cyclone forecasting, warning, preparedness plan, relief, etc.



Landslides are downward and outward movement of slope-forming materials such as rock, soil, debris, etc. under the influence of gravit


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