CBSE Class 8 Science Syllabus For 2023-24 (Revised)

The Central Board of Secondary Education (CBSE) has released the revised 8th class Science syllabus for the upcoming academic session for the year 2023-24. The syllabus takes students a step forward in understanding the science concepts that help students in a strong understanding of science. The topics Crop Production, Microorganisms, Combustion and Flame, Reproduction, Force and Friction, and Light and Sound are some of the concepts introduced in this grade. 

The science syllabus class 8 is designed in such a way that it forms the foundation for the board exams and competitive exams in the upcoming years. With the science class 8 syllabus, you will not be able to grasp the basic concepts of those exams. For example, Force and Friction prepare students for Motion and Gravitation topics in higher classes.

CBSE science class 8 syllabus is as per the guidelines of NCERT.

Detailed Syllabus of Class 8 Science CBSE

Chapter 1: Crop Production and Management

In earlier classes, you learned that all living organisms require food. Plants can make their food themselves. Animals including humans can not make their own food and depend on plants and other organisms for food. In this chapter of CBSE class 8 science, you will learn the different ways humans get food from plants and animals.

  • Agricultural Practices
  • Basic Practices of Crop Production
  • Preparation of Soil
  • Sowing
  • Adding Manure and Fertilizers
  • Irrigation
  • Protection from Weeds
  • Harvesting
  • Storage
  • Food from Animals

Chapter 2: Microorganisms: Friend and Foe

You have seen several kinds of plants and animals. However, there are other living organisms around us that we normally cannot see. These are called microorganisms or microbes. These microorganisms are both useful and harmful to humans. In this chapter, you will learn about microorganisms and their uses, and also their harmful effects.

  • Microorganisms
  • Where do Microorganisms Live?
  • Microorganisms and Us
  • Harmful Microorganisms
  • Food Preservation
  • Nitrogen Fixation
  • Nitrogen cycle

Chapter 3: Synthetic Fibres and Plastics

The clothes which we wear are made of fabrics. Fabrics are made from fibres obtained from natural or artificial sources. Fibres are also used for making a large variety of household articles. The fibres that are manufactured by humans artificially are called synthetic fibres. In this chapter, you will understand different types of synthetic fibres, their characteristics, and their uses.

  • What are Synthetic Fibres?
  • Types of Synthetic Fibres
  • Characteristics of Synthetic Fibres
  • Plastics
  • Plastics as Materials of Choice
  • Plastics and the Environment

Chapter 4: Materials: Metals and Non-Metals

All natural substances that you see around you are broadly classified as metals and non-metals. The third chapter of the CBSE 8 science syllabus explains these two types of substances, their properties, and their composition, along with their characteristic features that will help you to distinguish between metals and non-metals.

  • Physical Properties of Metals and Non-Metals
  • Chemical Properties of Metals and Non-Metals
  • Uses of Metals and Non-Metals

Chapter 5: Coal and Petroleum

We use various materials for our basic needs. Some of them are found in nature and some have been made by human efforts. We also use different substances as sources of energy. Coal and petroleum are the most common sources of energy used around the world. In this chapter, you will learn the different forms and uses of these two basic sources of energy.

  • Coal
  • Petroleum
  • Natural Gas
  • Some Natural Resources are Limited

Chapter 6: Combustion and Flame

We use different kinds of fuel for various purposes at home, in industry, and for running automobiles. You are also familiar with the burning of a candle. Similarly, you will find many other materials burning without a flame. In this chapter of CBSE class 8 science syllabus, you will understand the chemical process of burning and the types of flame produced during this process.

  • What is Combustion?
  • How Do We Control Fire?
  • Types of Combustion
  • Flame
  • Structure of a Flame
  • What is Fuel?
  • Fuel Efficiency

Chapter 7: Conservation of Plants and Animals

In earlier classes, you learned about forests and their ecosystem. A great variety of plants and animals exist on earth. They are essential for the well-being and survival of mankind. Today, a major threat to the survival of these organisms is  deforestation. You also know that deforestation means clearing forests and using that land for other purposes. In this chapter, you will learn about the causes and consequences of deforestation. 

  • Deforestation and Its Causes
  • Consequences of Deforestation
  • Conservation of Forest and Wildlife
  • Biosphere Reserve
  • Flora and Fauna
  • Endemic Species
  • Wildlife Sanctuary
  • National Park
  • Red Data Book
  • Migration
  • Recycling of Paper
  • Reforestation

Chapter 8: Cell – Structure and Functions

You have studied in your previous classes that things around us are either living or non-living. Further, you know that all living organisms carry out certain basic functions. In this chapter, you will learn about the basic structural unit of an organ, which is the cell. Cells may be compared to bricks. Bricks are assembled to make a building. Similarly, cells are assembled to make the body of every organism.

  • Discovery of the Cell
  • The Cell
  • Organisms show Variety in Cell Number, Shape, and Size
  • Cell Structure and Function
  • Parts of the Cell
  • Comparison of Plants and Animals Cells

Chapter 9: Reproduction in Animals

In your previous classes, you learned the processes of digestion, circulation, and respiration. These processes are essential for the survival of every individual. You also learned about the process of reproduction in plants. Reproduction is essential for the continuation of a species. In this chapter, you will learn how reproduction takes place in animals.

  • Modes of Reproduction
  • Sexual Reproduction
  • Asexual Reproduction

Chapter 10: Reaching The Age of Adolescence

In the previous chapter, you learned how animals reproduce. It is only after ‘growing up’ to a certain age that human beings and many other animals can reproduce.  In this chapter, you will learn about changes that take place in the human body after which a person becomes capable of reproduction. You will also understand the role that hormones play in bringing about changes that make a child grow into an adult.

  • Adolescence and Puberty
  • Changes at Puberty
  • Secondary Sexual Characters
  • Role of Hormones in Initiating Reproductive Function
  • Reproductive Phase of Life in Humans
  • How is the Sex of the Baby Determined?
  • Hormones other than Sex Hormones
  • Role of Hormones in Completing the Life History of Insects and Frogs
  • Reproductive Health

Chapter 11: Force And Pressure

You have studied how objects move and the unit of measurement of motion. You also know that a moving object can be made to move faster or slower or change direction.  All these are done through an external agency called force. In this chapter, you will understand force and its different forms.

  • Force: A push or a Pull
  • Forces are due to an Interaction
  • Exploring Forces
  • A Force can Change the State of Motion
  • Force can Change the Shape of an Object
  • Contact Forces
  • Non-contact Forces
  • Pressure
  • Pressure Exerted by Liquids and Gases
  • Atmospheric Pressure

Chapter 12: Friction

You might have seen a driver of a car or a truck slowing down the vehicle at a traffic signal. You, too, slow down your bicycle whenever needed by applying brakes. Do you know why a vehicle slows down when brakes are applied? The force behind the slowing down of moving objects is called friction. In this chapter, you will learn about friction, and its different forms and factors affecting friction.

  • Force of  Friction
  • Factors Affecting Friction
  • Friction: A Necessary Evil
  • Increasing and Reducing Friction
  • Wheels Reduce Friction
  • Fluid Friction

Chapter 13: Sound

Every day we hear sounds from various sources like humans, birds, bells, machines, vehicles, televisions, radios, etc. A sound is a form of energy that produces a sensation of hearing in our ears. You have learned about the conservation of energy, which states that we can neither create nor destroy energy. We can just change it from one form to another. When you clap, a sound is produced. In this chapter, you will learn how sound is produced and how it is transmitted through

a medium and received by our ears.

  • Sound is Produced by Vibrating Bodies
  • Sound Produced by Humans
  • Sounds Needs a Medium for Propagation
  • We Hear Sound through Our Ears
  • Amplitude, Time Period, and Frequency of a Vibration
  • Audible and Inaudible Sounds
  • Noise and Music
  • Noise Pollution

Chapter 14: Chemical Effects Of Electric Current

The chemical effects of electric current is the fundamental topic that is required to avoid difficulty in all future studies. The passage of an electric current through a conducting solution causes chemical reactions. In this chapter, you will understand why liquids conduct electricity and what the changes brought by an electric current in the liquid are when it is passed. 

  • Do Liquids Conduct Electricity?
  • Chemical Effects Of Electric Current
  • Electroplating

Chapter 15: Some Natural Phenomena

In your earlier classes, you read about winds, storms, and cyclones. You also learned that cyclones can cause a lot of damage to human life and property and how we can protect ourselves from these destructive phenomena to some

extent. In this chapter, you will learn about two other destructive natural phenomena. These are lightning and earthquakes. You will also understand the steps we can take to minimize the destruction caused by these phenomena.

  • Lightning
  • Charging by Rubbing
  • Types of Charges and Their Interaction
  • Transfer of Charge
  • The Story of Lightning
  • Lightning Safety
  • Earthquakes

Chapter 16: Light

The world is largely known through the senses. The sense of sight is one of the most important senses. Through it, we see mountains, rivers, trees, plants, chairs, people and so many other things around us. This chapter of the CBSE class 8 science syllabus explains how it is possible for us to see. 

  • What makes Things Visible
  • Laws of Reflection
  • Regular and Diffused Reflection
  • Reflected Light Can be Reflected Again
  • Multiple Images
  • Sunlight – White or Coloured
  • What is inside Our Eyes?
  • Care of the Eyes
  • Visually Impaired Persons Can Read and Write
  • What is Braille System?

Chapter 17: Stars And The Solar System

Stars and the Solar System are very interesting and important topics included in the Class 8 Science CBSE syllabus. In this chapter, you will learn about the phases of the moon, the expression of the distance of stars, pole stars, constellations, solar system and planets, the moon as a natural satellite, and artificial satellites and their significance.

  • The Moon
  • The Stars
  • Constellations
  • The Solar System
  • Some Other Members of the Solar System

Chapter 18: Pollution of Air and Water

We can survive for some time without food, but we cannot survive even for a few minutes without air. Water also is important for us. Air pollution is defined as the condition of air when it is contaminated with unwanted particles like Sulphur dioxide, Carbon monoxide, Nitrogen dioxide, etc., which is harmful to both living and non-living beings. Water pollution refers to unclean water due to sewage and toxic elements getting mixed with clean water. In this chapter, you will learn about air and water pollution, its causes and means to prevent or minimize it.

  • Air Pollution
  • How does Air Get Polluted?
  • Case Study – The Taj Mahal
  • Greenhouse Effect
    • What Can Be Done?
  • Water Pollution
  • How does Water Get Polluted?
  • What is Potable Water and How is Water Purified?
    • What Can be Done?

Best Science Reference Books For Class 8 CBSE

If you are looking for the best Science reference books for Class 8 CBSE, then this list is for you. Here we have listed some of the best Science books that will help you score high marks in your exams. These books cover the entire science syllabus of Class 8 and are a great resource for students who want to excel in this subject. In this list, we will recommend three of the best reference books for science syllabus class 8 students who are following the CBSE curriculum.

  • One of the best books is “CBSE All In One NCERT Based Science Class 8 2023-24 Edition” by Shikha Sharma,  Arjun Sharma, and Seema Mehra. This 8th grade book covers all the topics in detail and provides examples to help students understand the concepts better. Check Price
  • “Lakhmir Singh Science Class 8” is also a good reference book and covers all the topics in detail. It also provides solved examples and is considered to be one of the best books for learning science. Check Price
  • Golden Science: Based on NEW NCERT for Class-8. It is a good book that has many questions it also includes NCERT questions which help the student to learn directly from the book. Check Price

For some more good reference science books for Class 8 check here.

Books Prescribed For Class 8 By CBSE


What are the chapters of Class 8 science?

In the CBSE class 8 science syllabus, there are eighteen chapters. These are Crop Production and Management, Microorganisms: Friend and Foe, Synthetic Fibres and Plastics, Materials: Metals and Non-Metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell – Structure and Functions, Reproduction in Animals, Reaching The Age of Adolescence, Force And Pressure, Friction, Sound, Chemical Effects Of Electric Current, Some Natural Phenomena, Light, Stars And The Solar System, Pollution of Air and Water.

Does class 8 have physics?

In CBSE class 8, there is one common subject science covering topics of physics, chemistry, and biology.

What are the chapters in CBSE Class 8 chemistry?

In CBSE class 8, there is one common subject science covering topics of physics, chemistry, and biology. The chapters related to chemistry are Synthetic Fibres and Plastics, Materials: Metals and Non-Metals, Coal and Petroleum, and Combustion and Flame.

CBSE Science Syllabus For Class 8 Pdf

The Central Board of Secondary Education (CBSE) is a national-level board of education in India for public and private schools, controlled and managed by the Union Government of India.

Class 8 is an important class for students as it is the foundation for their future studies. In order to help students perform well in their exams, the CBSE has released the science syllabus class 8. The syllabus covers all the important topics that will be taught in Class 8.

Based on the CBSE class 8 Science syllabus, we have created this detailed and beautiful PDF which you can download and refer to anytime. This PDF not only covers the full list of chapters and topics within each chapter, but it also has a list of resources that parents, teachers, and students will find very helpful. So, go ahead and download this CBSE science syllabus class 8 PDF.


The CBSE science class 8 syllabus has been designed to provide a strong foundation in the subject and prepare students for higher-level courses.

The syllabus covers a wide range of topics, from Fibres and Plastics to Metals and Non-Metals, Conservation of Plants and Animals to Cell Structure and Functions, and Light and Sound to Force and Friction.

Overall, the syllabus of class 8 science CBSE provides a well-rounded education in science that will give students the skills they need to succeed in higher-level courses.

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