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Science Class 8
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Science Class 8 NCERT Solutions, Notes

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The Science Class 8 Course for Class 8 offered by EduRev is an excellent resource for students who want to excel in their science studies. This course ... view more covers all the essential topics of class 8 science, including physics, chemistry, and biology. It is designed to help students understand scientific concepts in a fun and interactive way. With this course, students can develop a deep understanding of science and develop the skills needed to succeed in their exams. The course includes detailed explanations, interactive quizzes, and practice questions to help students master the subject.

Science Class 8 NCERT Solutions, Notes Study Material

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Science Class 8
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Science Class 8 CBSE Exam Pattern 2024-2025

Science Class 8 Exam Pattern for Class 8

The Science exam for Class 8 is an important assessment that helps students evaluate their understanding of the subject matter. The exam pattern for the Science exam is designed to test students on their theoretical knowledge as well as their practical skills. Here is a breakdown of the Science Class 8 exam pattern:

Exam Format
The Science Class 8 exam is divided into two parts: Theory and Practical. The Theory part consists of 60 marks, while the Practical part carries 20 marks. The total marks for the exam are 80.

Theory Exam Pattern
The Theory exam consists of multiple-choice questions, short answer questions, and long answer questions. The distribution of marks for each section is as follows:

- Multiple Choice Questions - 12 marks
- Short Answer Questions - 28 marks
- Long Answer Questions - 20 marks

The multiple-choice questions are objective-type questions that test the student's understanding of basic concepts. The short answer questions are designed to test the student's ability to recall and apply their knowledge of the subject. The long answer questions require students to provide detailed explanations of concepts and theories.

Practical Exam Pattern
The Practical exam tests the student's ability to perform experiments and record data accurately. The Practical exam consists of two parts: Experiment and Project work. The distribution of marks for each section is as follows:

- Experiment - 12 marks
- Project work - 8 marks

The Experiment section requires students to perform a given experiment and record their observations and results. The Project work section requires students to complete a project related to the subject matter and present their findings.

Preparation Tips
To prepare for the Science Class 8 exam, students should focus on understanding the basic concepts and theories of the subject. They should also practice solving previous years' question papers and sample papers to get an idea of the exam pattern and the types of questions that may be asked.

In conclusion, the Science Class 8 exam pattern is designed to test students on their theoretical and practical knowledge of the subject matter. Students should prepare well and practice regularly to score well in the exam.

Science Class 8 Syllabus 2024-2025 PDF Download

Class 8 Science Syllabus



Unit 1: Crop Production and Management



  • Introduction to agriculture

  • Crop production: types of crops, preparation of soil, sowing, irrigation, harvesting

  • Crop protection: pests and diseases, weed control, storage of grains



Unit 2: Microorganisms: Friend or Foe



  • Introduction to microorganisms

  • Types of microorganisms: bacteria, fungi, virus, protozoa

  • Useful microorganisms: food production, medicine, sewage treatment

  • Harmful microorganisms: diseases, spoilage of food, decay of materials



Unit 3: Synthetic Fibres and Plastics (Old Syllabus)



  • Introduction to synthetic fibres and plastics

  • Types of synthetic fibres: polyester, nylon, acrylic

  • Types of plastics: thermoplastics, thermosetting plastics

  • Advantages and disadvantages of synthetic fibres and plastics



Unit 4: Materials: Metals & Non-metals (Old Syllabus)



  • Introduction to materials

  • Properties of metals and non-metals: physical and chemical properties

  • Uses of metals and non-metals



Unit 5: Coal and Petroleum



  • Introduction to fossil fuels

  • Formation of coal and petroleum

  • Extraction and refining of coal and petroleum

  • Environmental impact of fossil fuels



Unit 6: Combustion & Flame



  • Introduction to combustion and flame

  • Types of combustion: rapid and slow combustion

  • Flame: structure and types

  • Fire safety measures



Unit 7: Conservation of Plants and Animals



  • Introduction to conservation of biodiversity

  • Threats to biodiversity: habitat destruction, poaching, overgrazing

  • Conservation measures: protected areas, wildlife sanctuaries, national parks



Unit 8: Reproduction in Animals



  • Introduction to reproduction

  • Asexual reproduction: budding, fragmentation

  • Sexual reproduction: male and female reproductive organs, fertilization, gestation, birth

  • Reproductive health: menstrual cycle, contraception, sexually transmitted infections



Unit 9: Reaching the Age of Adolescence



  • Introduction to adolescence

  • Physical and emotional changes during adolescence

  • Reproductive organs and their functions

  • Menstruation and menstrual hygiene



Unit 10: Force and Pressure



  • Introduction to force and pressure

  • Types of forces: contact and non-contact forces

  • Effects of force: change in speed and direction, deformation

  • Pressure: definition and calculations



Unit 11: Friction



  • Introduction to friction

  • Types of friction: static friction, kinetic friction, rolling friction

  • Factors affecting friction

  • Uses and disadvantages of friction



Unit 12: Sound



  • Introduction to sound

  • Propagation of sound: longitudinal waves, speed of sound, reflection, echo

  • Characteristics of sound: pitch, loudness, quality

  • Uses and disadvantages of sound



Unit 13: Chemical Effects of Electric Current



  • Introduction to electricity

  • Electric current: flow of electric charge, electric circuit

  • Chemical effects of electric current: electrolytes, electroplating

  • Electric cell and battery



Unit 14: Some Natural Phenomena



  • Introduction to natural phenomena

  • Lightning: causes, precautions

  • Earthquakes: causes, effects, safety measures

  • Volcanic eruptions: causes, effects, safety measures



Unit 15: Light



  • Introduction to light

  • Reflection of light: laws of reflection, plane mirrors, concave and convex mirrors

  • Refraction of light: laws of refraction, lenses, prism

  • Uses and disadvantages of light



Unit 16: Stars and the Solar System (Old Syllabus)



  • Introduction to stars and the solar system

  • Stars: characteristics, classification

  • Solar system: planets, comets, asteroids

  • Formation and evolution of the solar system



Unit 17: Pollution of Air and Water (Old Syllabus)



  • Introduction to pollution

  • Air pollution: sources, effects, control measures

  • Water pollution: sources, effects, control measures

  • Noise pollution: sources, effects, control measures



Assessment and Resources



  • Sample Papers 2020-21

  • CBSE Sample Papers without Solutions

  • CBSE Sample Papers with Solutions

  • CBSE Past Year Papers

  • NCERT Textbooks & Solutions

  • Short & Long Question Answers

  • Chapter Notes

  • Mindmaps for Science

  • NCERT Exemplar

  • Lakhmir Singh & Manjit Kaur Solutions



Overall, Class 8 Science covers a wide range of topics from agriculture to astronomy. The syllabus is designed to help students understand the basic principles and concepts of science and apply them to real-world situations. With the help of various resources and assessments, students can develop a deeper understanding of the subject and prepare themselves for higher studies in science.

This course is helpful for the following exams: Class 8, Grade 8

How to Prepare Science Class 8?

How to Prepare Science Class 8 for Class 8?

Science is a subject that requires a lot of understanding and practical knowledge. Class 8 Science is an important subject that lays the foundation for higher studies in Science. EduRev offers a comprehensive course for Class 8 Science that prepares students for their exams and helps them understand the subject.

Here are some tips on how to prepare for Class 8 Science with EduRev:

1. Understand the Course Content

The course content for Class 8 Science is vast and covers a wide range of topics. It is essential to understand the course content thoroughly to perform well in exams. The EduRev course is designed to cover all the topics in detail and provide students with a clear understanding of each concept.

2. Practice Regularly

Science is a subject that requires a lot of practice to gain mastery. The EduRev course offers a variety of practice questions and tests that help students practice regularly. This ensures that they are well-prepared for exams and can tackle any question with ease.

3. Use Technology to Your Advantage

Technology has made learning more accessible and convenient. The EduRev course is available online, and students can access it from anywhere at any time. They can use the course content to revise and practice whenever they have free time.

4. Seek Help When Needed

If students find any topic challenging, they should seek help from their teachers or classmates. The EduRev course also offers doubt-solving sessions where students can ask their doubts and get them answered by experts.

In conclusion, preparing for Class 8 Science requires discipline, dedication, and regular practice. The EduRev course provides students with all the necessary resources to excel in the subject. By following these tips and utilizing the course content, students can prepare well and perform to the best of their abilities in exams.

Importance of Science Class 8

Importance of Science Class 8 Course for Class 8

Introduction
Science is a subject that plays a crucial role in shaping the future of a student. It is a subject that deals with the study of the natural world and its phenomena. The Science Class 8 Course offered by EduRev is designed to provide students with a comprehensive understanding of the subject.

Key Point 1: Foundation for Higher Education
The Science Class 8 Course lays the foundation for higher education in science. It covers a wide range of topics such as Matter, Force, Energy, and Motion, which are fundamental to all the sciences. This course helps students develop analytical and problem-solving skills, which are essential for success in higher education.

Key Point 2: Practical Applications
Science is not just a theoretical subject; it has practical applications in various fields such as medicine, engineering, and technology. The Science Class 8 Course helps students understand the practical applications of science, which can inspire them to pursue a career in science-related fields.

Key Point 3: Environmental Awareness
The Science Class 8 Course focuses on the environment and its conservation. It teaches students about the importance of preserving the environment and the impact of human activities on it. This course helps students develop a sense of responsibility towards the environment and motivates them to take action to protect it.

Key Point 4: Technological Advancements
Science is at the forefront of technological advancements, and the Science Class 8 Course helps students understand the latest technological developments. It teaches them about the role of science in the development of new technologies and how these technologies can benefit society.

Conclusion
In conclusion, the Science Class 8 Course offered by EduRev is an essential course for Class 8 students. It lays the foundation for higher education in science, teaches practical applications, raises environmental awareness, and provides insights into technological advancements. Students who take this course will have a better understanding of science and its importance in the world today.

Science Class 8 FAQs

1. What is a food chain?
Ans. A food chain is a linear sequence of organisms where each organism eats the organism below it and is, in turn, eaten by the organism above it. It starts with a producer, which is usually a plant, and ends with a predator. The energy is transferred from one organism to another in the food chain.
2. What are decomposers?
Ans. Decomposers are organisms that break down dead or decaying organisms, helping to recycle nutrients back into the ecosystem. Examples of decomposers include bacteria and fungi.
3. What is a trophic level?
Ans. A trophic level is a step in the food chain or web at which an organism feeds. It is based on the organism's position in the food chain and its source of food. Producers are at the first trophic level, followed by primary consumers, secondary consumers, and so on.
4. What is the difference between a food chain and a food web?
Ans. A food chain is a linear sequence of organisms where each organism eats the organism below it and is, in turn, eaten by the organism above it. A food web is a more complex system of interlocking and overlapping food chains where a number of different food chains are interconnected.
5. What is the importance of the food chain?
Ans. The food chain is important for the survival of all organisms in an ecosystem. It helps to transfer energy and nutrients from one organism to another. Without food chains, the energy and nutrients in an ecosystem would not be able to sustain life. It also helps to maintain the balance of the ecosystem by controlling the population of different organisms.

Best Coaching for Science Class 8

EduRev is the best coaching platform for Science Class 8, providing free online coaching and study material to help students excel in their academics. The online coaching provided by EduRev is accessible to everyone, making it an excellent platform for students who are unable to attend physical coaching classes. The online study material available on the EduRev website and app is comprehensive and includes important chapters, science notes, summary, and NCERT Science class 8 textbook. You can download PDF of the material so that you can access it offline at any time.

The Science Class 8 syllabus is extensive, and EduRev has made it easy for students to understand and grasp the concepts through Science projects, experiments, quizzes, lessons, models, and activities. EduRev provides CBSE Science class 8-specific content and NCERT Science Class 8 syllabus-based material. It is an ideal platform for students to learn and revise through interactive quizzes and tests. EduRev is an all-in-one platform that not only helps students in their academic journey but also provides them with an opportunity to enhance their knowledge and skills.

In conclusion, EduRev is an excellent online platform for Science Class 8 students providing the best coaching, free online study material, and accessible resources. The platform is comprehensive, and it is a great opportunity for students to learn, revise, and excel in their academics. With EduRev, students can have access to quality education anytime, anywhere. Download the EduRev app or visit the website to get started on your academic journey today.

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Best Science Class 8 NCERT Solutions and Study Materials

Looking for the best Science Class 8 NCERT study materials and Science Class 8 NCERT Book solutions? EduRev has got you covered! Our platform offers comprehensive Class 8 NCERT Solutions and NCERT Study Materials that are tailored to fit the needs of Class 8 students. Our Science Class 8 NCERT Book Solutions are designed to help students understand the concepts and improve their grasp on the subject. We provide step-by-step solutions to all the questions in the Science Class 8 NCERT Tests, making it easy for students to follow along and grasp the concepts. EduRev’s chapter-wise NCERT Solutions for Class 8 are comprehensive and designed by a team of experienced teachers to cater to the learning needs of students. And the best part is - we offer our Science Class 8 NCERT Solutions and Study Materials for free to students. So, if you're looking for the best NCERT Book Solutions and Study Materials for Science Class 8, look no further than EduRev. Our platform offers everything you need to excel in your studies and achieve your academic goals.
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- From explaining basics to preparing for competition, this course prepares for both

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Full Syllabus, Lectures & Tests to study Science Class 8 | CBSE, Docs, MCQs with Solution, NCERT Solutions, Short & Long Questions - Class 8 | Best Strategy to prepare for Science Class 8 | CBSE, Docs, MCQs with Solution, NCERT Solutions, Short & Long Questions | Free Course for Class 8 Exam