ICSE Syllabus Class 9 Environmental Science

ICSE Class 9 Environmental Science Syllabus

Every time they have to take an exam, students are on the lookout for strategies that will help them do well. These days, receiving the highest marks is very important because it helps students continue their education.

Having some assistance in the shape of a professionally crafted syllabus can therefore be beneficial for the students. We advise students to search for the ICSE Class 9 environmental syllabus in order to better prepare for their exams. The syllabus will assist students in making sure that their preparation goes smoothly and in the best possible way.

This website contains the ICSE Class 9 Environmental Science Syllabus. The ICSE Class 9 Environmental Science Syllabus can evaluate the subject’s basic structure and create a productive study schedule. Candidates must fully understand the course material and the marking criteria in order to develop a successful exam strategy.

Apart from the ICSE Class 9 Environmental Science Syllabus, Extramarks also offers many other resources such as ICSE Solutions, I.S.C. & ICSE Syllabus, ICSE Sample Question Papers, ICSE Revision Notes, ICSE Important Questions, ICSE Question Paper and more.

ICSE Class 9 Environmental Science Syllabus: Overview


  • To learn about the origin, function, and relationship between the natural and living worlds.
  • To gain knowledge of how interrelated and a part of a natural phenomenon people, plants and animals are.
  • To recognise how human action affects natural processes.
  • To become conscious of the necessity and duty to maintain the natural system in a way that can sustain life.
  • To cultivate an awareness of environmental issues in oneself.
  • To gain knowledge about how local settings affect the environment at large.
  • To foster a sense of duty and care for the environment and the well-being of all living things in this world.
  • To cultivate a strong civic consciousness.
  • To create a solid foundation for future research, personal growth, and involvement in local and global environmental issues.

One two-hour paper is worth 80 marks, and the internal assessment is worth 20 marks. There are two sections in the paper. Short answer questions cover every topic on the syllabus in Section A (Compulsory). Six questions are included in Section B. You must answer four of the questions in this section.

Chapter 1: Understanding Our Environment

  • What is meant by Environmental Science?
  • State the main Environmental problems
  • The global perspective of Environmental problems
  • The causes of Environmental problems
  • A sustainable world

Chapter 2: Living Things In Ecosystems

  • What is meant by an Ecosystem?
  • Ecological niche and Habitat
  • How different species interact with each other
  • Adapting to the environment

Chapter 3: How Ecosystems Work

  • Energy flow in the Ecosystem
  • Cycling of materials
  • How different Ecosystems change

Chapter 4: Kinds Of Ecosystems

  • Forests
  • Grasslands, Deserts and Tundra
  • The Freshwater Ecosystems
  • Marine Ecosystems
  • The Biogeographic zones of India

Chapter 5: Water

  • Our water resources
  • Freshwater pollution
  • Ocean pollution

Chapter 6: Air

  • What are the causes of Air pollution?
  • Thermal inversions, acid precipitation and photochemical smog
  • The different impacts of Air pollution

Chapter 7: Atmosphere and Climate

  • The Atmosphere
  • Climate
  • Greenhouse Earth
  • The Ozone layer

Chapter 8: Soil and Land

  • Deforestation
  • Soil erosion and desertification
  • Land pollution 

Chapter 9: People 

  • The issue of World poverty and the bridge between developed and developing countries
  • Poverty in developed countries and developing countries
  • Environmental effects of the poverty trap in developing nations.

Chapter 10: Urbanisation

  • Different causes of urbanisation
  • Manifestations of urbanisation
  • Social, environmental and economic problems

Chapter 11: Agriculture

  • Unsustainable patterns of modern industrialised agriculture
  • Environmental damage because of large farm units
  • Food mountains in developed countries
  • The Green Revolution

How to prepare using ICSE Class 9 Environmental Science Syllabus

Since everyone is aware that examinations will soon be upon us, students need to begin their preparation. It is often remarked that hard effort isn’t as helpful to you as smart work. Students get access to the whole syllabus through Extramarks. It specifies the conceptual weighting of each question. Revision must now be done. Try taking the practice exams available on the Extramarks website.

The curriculum provided on the Extramarks website complies with all ICSE board regulations. As a result, the questions will be comparable to those in the main exam. Without the mentor’s assistance, students can rely on the website and begin studying for the environmental science exam.

One of the most essential subjects is Environmental Science, it is so because it increases your marks and your knowledge of the environment and how to protect it. This is the reason grade 9 students take this course. Students must be taught how to treat the environment, how the natural environment functions, and how humans interact with the environment at this age.

This subject also helps analyse numerous environmental issues, as well as other potential issues and their solutions brought about by humans and other ways. These issues include managing natural resources, alternate energy imbalance and pollution control.

Environmental Science, therefore, focuses on the need to raise students’ knowledge of the environment. This topic is a simple theory-based paper that boosts marks. Start preparing now, appreciate the value of getting better grades and act sensibly.

Preparation Tips For ICSE Class 9 Environmental Science Syllabus

The following are some of the top ICSE Class 9 Environmental Science Syllabus tips:

  • Make a schedule based on the course syllabus to effectively cover the difficult topics.
  • Try to stick to your daily study plan and finish 90% of the daily study material.
  • Your weekly and monthly study plans need to be modified. If you want to recall the majority of the material you learnt, make a few changes to the schedule. Exam questions from past year exams might be studied to help you better comprehend the subject.
  • Reduce your worry and tension before studying. Design an engaging course plan. You can alternate between studying and reading about your favourite topics during the specified study period.
  • Keep your confidence and positivity. Pay close attention to the assignments you have in class. Go through and solve a lot of questions and past year question papers to improve conceptual knowledge, speed and accuracy.
  • Get enough sleep, eat balanced meals and sip water frequently throughout the day.

Some Tricks for ICSE Class 9 Environmental Science Syllabus

  • Create A Study Plan: Create a study plan before it’s too late. Make a thorough plan for your coursework. You can improve your understanding of the subject matter by practising the exam-style questions.
  • Quicken Your Pace: Practise answering questions from the previous ten years to increase your speed and accuracy for the upcoming exam.
  • Changes Made in Light of Your Books: Read these because they are typically referred to in ICSE board questions. It is important to keep reading the books the students have.
  • Keep Your Physical Wellness Up: You must keep your physical wellness up in order to respect the link between your physical and mental health. It’s always a wise choice to take a break and unwind, whether by playing a game of badminton in the evening or simply going for a morning run to reduce stress.

Benefits of ICSE Class 9 Environmental Science Syllabus

  • Students may do better in exams and gain higher results if they follow the ICSE Class 9 Environmental Science Syllabus.
  • The course content for the academic year is divided into chapters and subjects in the syllabus.
  • The topics covered in the course and any potential creative assignments for the entire year are described in the course description.
  • Students have access to the ICSE Class 9 Environmental Science Syllabus, which teachers regularly use.
  • After carefully and thoroughly analysing the curriculum, experts produced the syllabus.
  • Students are less concerned because they are accustomed to the exam’s format and technique of evaluation for the topic of classical studies.

ICSE Environmental Science Class 9 Syllabus

There is one paper of two hours duration carrying 80 marks and Internal Assessment of 20 marks. The paper has two Sections: Section A (Compulsory) contains short answer questions covering the entire syllabus. Section B contains six questions. You are required to answer any four questions from this section.

1. Understanding our Environment

(a) What is Environmental Science?

What do we understand by ‘Environment’? What does the study of Environmental Science involve?

(b) What are our main environmental problems?

Environmental problems to be studied in terms of resource depletion, pollution and extinction of species.

(c) A global perspective of environmental problems.

To be studied with reference to the developed and developing countries.

(d) The root of environmental problems.

Population crisis and consumption crisis should be covered.

(e) A sustainable world.

Concept of sustainability to be explained; sustainable societies to be discussed.

2. Living things in Ecosystems

(a) What is an ecosystem?

Concept of ecosystems to be explained; biotic and abiotic structures, organisms and species; populations, communities.

(b) Habitat and ecological niche.

To be discussed in terms of address and function.

(c) How species interact with each other.

Interaction of species should be covered in terms of – predation, competition, parasitism, mutualism and commensalism. Law of Limiting Factors; synergisms.

(d) Adapting to the environment.

Evolution by natural selection; co-evolution, extinction.

3. How Ecosystems work

(a) Energy flow in ecosystems.

An explanation of how life depends on the sun; who eats what; respiration: burning the fuel. Energy transfer: food chains, food webs and trophic levels.

(b) The cycling of materials.

The water cycle, the carbon cycle (how humans are affecting the carbon cycle) and the nitrogen cycle; Not to be tested, for knowledge and understanding only.

Interdependence of natural cycles.

(c) How ecosystems change.

Succession- secondary and primary.

4. Kinds of Ecosystems

(a) Forests.

Tropical rainforests and threats to rainforests; temperate rainforests; temperate deciduous forests; Taiga.

(b) Grasslands, Deserts and Tundra.

Tropical savannas; temperate grasslands: prairies, steppes and pampas; deserts; Tundra. Threats to the temperate grasslands, deserts and Tundra.

(c) Freshwater ecosystems.

The study to cover – lakes and ponds; wetlands – marshes and swamps; rivers. Threats to wetlands and rivers must also be highlighted.

(d) Marine ecosystems.

Estuaries, coral reefs, oceans and how each is threatened should be discussed. Polar ecosystems of the Arctic and the Antarctic and the threats to them must also be covered.

Only threats to the specifically mentioned ecosystems will be tested for the purpose of the examination. The rest are for knowledge and understanding.

(e) Biogeographic zones of India.

The different biogeographic zones/ regions of India and predominant wildlife in these zones/ regions.

5. Water

(a) Our water resources.

Water resource in the form of frozen solid in polar ice caps, surface water (rivers of controversy, dams), groundwater (aquifers running low). Solutions to water shortages must be covered in terms of desalting the sea, towing water, water conservation and water harvesting.

(b) Freshwater pollution.

Point pollution and non-point pollution; wastewater treatment plants, pathogens. The manner in which water pollution affects ecosystems; artificial eutrophication, thermal pollution. Cleaning up water pollution. The special problem of groundwater pollution; bottled water.

(c) Ocean pollution.

How pollutants get into oceans; preventing ocean pollution; who owns the oceans?

6. Air

(a) What causes air pollution?

Air pollution due to – natural disasters; domestic combustion; air pollution on wheels; industrial air pollution.

Major air pollutants – carbon monoxide, oxides of nitrogen, oxides of sulphur, ozone, lead, hydrocarbons, benzene and particulates -their sources, health effects and the environmental effects must be studied.

Classification of air pollutants based on composition – gaseous pollutants and particulate matter (grit, dust, smoke and lead oxide); broader classification – primary and secondary pollutants.

Aerosols (smog), sources – natural (continental, oceanic and anthropogenic); their effect on our lives.

Air pollution episode – the Bhopal gas tragedy.

(b) Thermal inversions, photochemical smog and acid precipitation.

Thermal inversions (Los Angeles), Photochemical Smog (Mexico City) and Acid Precipitation (Mumbai) – how acid precipitation affects ecosystems.

(c) Impact of air pollution.

Impact of air pollution should be covered in terms of economic losses, lowered agricultural productivity and health problems.

7. Atmosphere and Climate

(a) The atmosphere.

Balance between photosynthesis and respiration; layers of the atmosphere. Not to be tested, for knowledge and understanding only.

(b) Climate.

What determines climate (latitude, atmospheric circulation patterns, ocean circulation patterns, local geography, seasonal changes in climate). Not to be tested, for knowledge and understanding only.

(c) Greenhouse earth.

The Greenhouse Effect, rising carbon dioxide levels, GHGs and the earth’s temperature (global warming); effect on weather, agriculture and sea-levels; slowing the temperature change.

(d) The Ozone layer.

Ozone in the troposphere, ozone in the stratosphere; detection of the damage to the ozone layer; causes and consequences of ozone thinning; alternatives to CFCs.

8. Soil and Land

(a) Deforestation.

Causes and consequences of rapid and progressive deforestation in the developing world – fuel crisis, competition for land, land exploited for cash and food crops, population pressures, increasing demand for timber to meet the needs of the developed world, grazing and its link with desertification.

Effects of deforestation on climate, atmosphere and soil process.

(b) Soil erosion and desertification.

Causes and consequences of soil erosion and desertification – removal of vegetation, overgrazing, overculture, clearance of slopes, drought, heavy rainfall, bad farming practices.

(c) Land pollution.

Causes and consequences of land pollution – salinization, fertilizers, pesticides, toxic wastes, nuclear wastes, domestic wastes, ground water contamination.

9. People

(a) World poverty and gap between developed and developing countries.

Dimensions of world poverty and gap between developed and developing countries using development indicators such as per-capita incomes, housing, levels of disease and nutrition.

(b) Poverty in developed countries, poverty in developing countries.

Rural poverty and urban poverty.

(c) The implications of poverty trap for the environment in developing countries.


10. Urbanisation

(a) Causes of urbanisation.

The push-pull factors to be discussed.

(b) Manifestations of urbanisation.

Growth of slums, growth of informal sector, pressure on civic amenities; degradation of human resources; growing sense of despair.

(c) Social, economic and environmental problems.

Problems of housing, congestion, pollution, loss of agricultural land and provision of services to be covered.

11. Agriculture

(a) Unsustainable patterns of modern industrialised agriculture.

Monocultures, disappearance of traditional crop varieties, pollution risk due to use of pesticides and inorganic fertilizers; problems of irrigation – surface and ground water.

(b) Environmental damage due to large farm units.


(c) Food mountains in developed countries.

Surplus and waste.

(d) The Green Revolution.

Discussion on whether Green Revolution is a success or a failure.

For viewing question paper please click here

FAQs (Frequently Asked Questions)

1. Is the Environmental Science Class 9 Syllabus Important?

Yes, given that it outlines the specifics of the chapters that must be included in the book, the syllabus for Environment Science class 9 is crucial for the students. Students can use it to perform well on exams.

2. What is the purpose of the ICSE Environmental Science syllabus for Class 9?

The purpose of teaching Environmental Science in grade 9 is to increase students’ awareness of their environment. The objectives are to understand how the natural world functions, if humans pose a real threat to the environment, how we interact with the environment and its processes, and how we affect and harm the ecosystem. Students will become more environmentally conscious as a result.

3. Does the ICSE syllabus for Class 9 Environmental Science include any negative marking?

There is no negative marking in this subject. However, becoming familiar with all the subjects and concepts is advised. It takes a lot of work to write a theory paper. As a result, managing your time effectively is another aspect that could cost you marks. Taking all of this into account, one mark also matters a lot and affects your final grade. Students should avoid taking a chance on it without adequate preparation, even though it does not carry a negative grading policy.