NCERT Solutions for Class 8 Science PDF

NCERT Solutions for class 8 science is one of the most important study tool for students in class 8. NCERT science solutions for class 8 are prepared by expert science teachers of eSaral to help students prepare for the exam and clear their doubts right away. Students can use eSaral's study material and solutions of NCERT science Class 8 Book to get answers to the questions in the textbook. With our solutions, students can understand the concepts much better and prepare well for the exams.

In NCERT Solutions of science for Class 8 provided here, you will find answers to all the questions in the textbook, along with additional questions, exemplary problems, worksheet, MCQ and short answer questions. By solving these questions, you will be able to prepare your notes and will be able to grasp the concept well.

You can check the answers of the questions at the end if you are having difficulty understanding a particular topic related to science. Class 8 science solutions are available in PDF format and can be easily accessed and downloaded from anywhere and anytime.

NCERT Solutions for Class 8 Science Chapter List

The NCERT Solutions for Class 8 are based on the NCERT Books. In Class 8 Science, there are now only 13 chapters instead of 18.

List of 13 chapters are given below

NCERT Solutions for Class 8 Science Chapter 1 Crop Production and Management

This chapter is here to help you understand how food is grown and produced through farming. It explains that in India, crops are divided into two types based on the season - Rabi or Kharif. It covers the basics of crop production  like preparing the soil, sowing, adding manure and fertilisers, irrigation, weed protection, harvesting, storage, and more. Plus, it explains the traditional and modern methods of irrigation. Finally, it gives you a quick overview of animal husbandry.

Topics included in Class 8 Science Chapter 1 Crop Production and Management

• Agricultural Practices

• Basic Practices of Crop Production

• Preparation of Soil

• Sowing

• Adding Manure and Fertilisers

• Irrigation

• Protection from Weeds

• Harvesting

• Storage 

NCERT Solutions for Class 8 Science Chapter 2 Microorganisms: Friend and Foe

Chapter 2 of NCERT Class 8 science begins by defining microorganisms and then goes through the concepts of microorganisms through activities. Then, it goes through various examples of how microorganisms play a vital role in our life such as making curd, making bread, commercial use of them in medicines, use of them in vaccines, increasing soil fertility, etc.

After that, it goes through how harmful microorganisms are and how they can cause diseases in human, animal and plant life. In this chapter, food poisoning is caused by harmful microorganisms and different ways of food preservation are discussed. Finally, the chapter ends with nitrogen fixation and the nitrogen cycle, which is illustrated by a diagram.

Topics included in Class 8 Science Chapter 2 Microorganisms: Friend and Foe

• Microorganism

• Where do Microorganisms Live?

• Microorganisms and Us

• Harmful Microorganisms

• Food Preservation

• Nitrogen Fixation

• Nitrogen Cycle

NCERT Solutions for Class 8 Science Chapter 3 Coal and Petroleum

This chapter discusses the different types of resources and how they are classified. Coal, oil and gas are all fossil resources that are made from the fossilized remains of living creatures millions of years old. It goes on to explain how coke is made from coal, coal tar from coal and how coal gas is made from coal. It also explains how oil is refined. Lastly, it explains what natural gas is. The chapter concludes by reminding students that we have limited natural resources, so let’s use them wisely.

Topics included in Class 8 Science Chapter 3 Coal and Petroleum

• Coal

• Petroleum

• Natural Gas

• Some Natural Resources are Limited

NCERT Solutions for Class 8 Science Chapter 4 Combustion and Flame

In this chapter, the students will learn about combustion and the different types of combustion. The chapter has been beautifully illustrated with activities. Students will learn how to control the fire. Then, they will learn about flame and how it works. Students will learn about the structure of flame. The chapter concludes with the topic fuel, fuel efficiency, and the negative consequences of burning fuel.

Topics included in Class 8 Science Chapter 4 Combustion and Flame

• What is Combustion?

• How do we control fire?

• Types of combustion

• Flame

• Structure of a flame

• Fuel efficiency

NCERT Solutions for Class 8 Science Chapter 5 Conservation of Plants and Animals

This chapter discusses the causes of deforestation, the effects of deforestation and how to preserve forests and wildlife. It also covers topics such as Biosphere Reserve, Flora and Fauna, Endemic species, Wildlife Sanctuary, National Park, Red Data Book, Migration, Paper Recycling and finally Reforestation.

Topics included in Class 8 Science Chapter 5 Conservation of Plants and Animals

• Deforestation and its causes

• Consequence 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

• Reinforestation 

NCERT Solutions for Class 8 Science Chapter 6 Reproduction in Animals

The process of reproduction is essential for the survival of a species. It is difficult to imagine what would have happened if organisms did not reproduce. Reproduction ensures the continuation of similar types of individuals, one generation after the next. You may have already learned about reproduction in plants in your previous class, but in this chapter, we will explore how reproduction occurs in animals.

Topics included in Class 8 Science Chapter 6 Reproduction in Animals

• 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 body determined?

• Hormones other than sex hormones

• Role of hormones in completing the life history of insects and frogs

• Reproductive health

NCERT Solutions for Class 8 Science Chapter 7 Reaching the Age of Adolescence

This chapter of Class 8 NCERT Science helps students to fully understand the concept of Adolescence, changes that take place during Adolescence, Hormones that are released before Adolescence, Sexual Maturation in Men and Women, Menstrual Cycle and its Consequences, etc. Students can clarify these concepts on their own by referring to NCERT Solutions Class 8 Science.

Topics included in Class 8 Science Chapter 6 Reaching the Age of Adolescence

• 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

NCERT Solutions for Class 8 Science Chapter 8 Force and Pressure

In this chapter 8, ‘Force and Pressure’, students will encounter questions on applied force as well as changes in the shape of the object. Some questions, such as ‘difference between force and pressure’, feature prominently in the exams and are covered in detail in the NCERT Solutions. Other crucial questions are based on objects as well as force. Practicing these types of questions under this chapter will help students to understand the subject better.

Topics included in Class 8 Science Chapter 8 Force and Pressure

• 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 

NCERT Solutions for Class 8 Science Chapter 9 Friction

The NCERT class 8 science Solutions for chapter 9 Friction help the students to overcome their doubts. The NCERT Solutions in this chapter will help the students to understand the concepts and terminology in this chapter better. Students should read the chapters in Class 8 Science carefully as these chapters are the basic concepts of the topics to be taught in class 9. Chapter 9 Friction is a very important chapter in class 8 Science. Students will be introduced to the concept of friction, forces of friction, factors influencing friction, factors increasing and decreasing friction, types of friction, causes of friction and why friction is necessary.

Topics included in Class 8 Science Chapter 9 Friction

• Force of Friction

• Factors affecting Friction 

• Friction : A Necessary Evil 

• Increasing and Reducing Friction

• Wheels Reduce Friction 

• Fluid Friction 

NCERT Solutions for Class 8 Science Chapter 10 Sound

Class 8 is a very important stage in a student’s academic life as it forms the basis for concepts taught in class 10. Sound is a very basic concept for Class 8 students. Therefore, it is essential for the students to understand it well so that they don’t find it difficult to understand related topics in their upper classes. NCERT solutions for Class 8 science sound is one of the most effective tools for preparing for the Class 8 science annual exams. You can also download the solutions for this chapter in PDF format for free.

Topics included in Class 8 Science Chapter 10 Sound

• Sound Produced by a Vibrating Body 

• Sound Produced by Humans

• Sound Needs a Medium for Propagation 

• Amplitude, Time Period and Frequency of a Vibration 

• Audible and Inaudible Sounds

• Noise and Music

• Noise Pollution 

NCERT Solutions for Class 8 Science Chapter 11 Chemical Effects of Electric Current

Class 8 is considered as one of the most important years of a student's life. In Class 8, students will be preparing for national-level examinations, such as science Olympiad, scholarship tests, etc. NCERT Solutions for the chapter Chemical Effects of electric current will help students to understand the concepts easily. In this chapter, students will get to know about the chemical reactions of electric current and electroplating. They will also get to know about good conductors and LED as well as conductors.

Topics included in Class 8 Science Chapter 11 Chemical Effects of Electric Current

• Do Liquids Conduct Electricity?

• Chemical Effects of Electric Current

• Electroplating

NCERT Solutions for Class 8 Science Chapter 12 Some Natural Phenomena

NCERT Class 8 Science Chapter 12 Some Natural Phenomena provides the students with knowledge about some natural phenomena such as lightning, earthquake, etc. It explains the causes and consequences of these natural occurrences. It is essential for the students to know the safety precautions to take to prevent accidents caused by lightning and earthquakes. Students can also download NCERT Science Solutions for Class 8 Science and access them at their own convenience.

Topics included in Class 8 Science Chapter 12 Some Natural Phenomena

• Lightning

• Charging by Rubbing

• Types of Charges and Their Interaction 

• Transfer of Charge 

• The Story of Lightning

• Lightning Safety

• Earthquakes 

NCERT Solutions for Class 8 Science Chapter 13 Light

Chapter 13 Light is considered as one of the most crucial chapters in NCERT Class 8 science book. Several important topics related to light are covered in this chapter. These topics are not only relevant for the examination but also for understanding the concepts in the higher classes. In this chapter, students are first introduced to the idea of light and then the laws of reflection are discussed. Students are taught about incident rays, angle of incidence, and reflection. They are also taught about lateral inversion, diffuse (irregular) reflections, and regular reflections.

Topics included in Class 8 Science Chapter 13 Light

• What makes Things Visible

• Laws of Reflection

• Regular and Diffused Reflection 

• Reflected Light Can be Reflected Again

• Multiple Images 

• Care of the Eyes

Importance of Reading the NCERT Solutions for Class 8 Science PDF

NCERT solutions for Class 8 science PDF is very important for various reasons. NCERT is an independent organization in India that creates quality educational material for schools. Here are some reasons why NCERT solutions are very important for Class 8 science:

• Accurate and comprehensive content: NCERT solutions are created by subject matter experts & experienced educators. They make sure that the content is correct, up to date and comprehensive. They cover all the topics & concepts prescribed in the class 8 science curriculum.

• Alignment with syllabus: NCERT solutions strictly follow the syllabus prescribed by the educational boards.

• Clarity of concepts: NCERT solutions present complex scientific concepts in a clear & concise manner. The language used in the solutions is easy for students to understand.

• Practice and reinforcement: There are many practice questions and exercises available in NCERT Solutions. Practicing with these questions regularly helps students to strengthen their knowledge and solve problems.

• Exam preparation: Most board exams are based on NCERT textbooks, so it is important to study the NCERT Solutions carefully. Many board questions are directly based on the content of the textbook.

• Ability to prepare for competitive exams: If you want to sit for competitive exams such as Joint Entrance Examination (JEE) or NEET, you need to have a good foundation in class 8 Science. NCERT Solutions will help you prepare for higher level studies.

• Fostering analytical thinking: Questions in NCERT Solutions often ask students to apply knowledge and think critically, which helps in developing analytical thinking skills. To sum up, NCERT solutions for class 8 science PDF is an important part of a student’s academic life. It gives them a solid grounding in science, improves their problem solving skills and prepares them for board examinations and future examinations in higher education institutions.

Frequently Asked Questions

Question 1: What are NCERT solutions for class 8 science?

Answer 1: NCERT solutions for Class 8 science are the answers and explanations for the questions and exercises in the NCERT class 8 science textbook. NCERT solutions for science help students to better understand the concepts and prepare for the exams.

Question 2: Is NCERT Solutions good enough for Class 8 Science exams?

Answer 2: While NCERT Solutions provide a good starting point and cover the whole syllabus, passing the exams also relies on regular practice, thorough knowledge of the concepts, and solving supplementary questions from other books and practice papers.