NCERT Solutions for Class 9 Science [2023] Free PDF Download

Internal Assessment 20

Grand Total 100

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Chapter wise Overview Class 9 Science NCERT solutions

1. Matter in Our Surroundings: This chapter discusses the characteristics of matter and its various states - solid, liquid, and gas. It also covers concepts such as evaporation, boiling, and sublimation.

2. Is Matter Around Us Pure?: This chapter explains the difference between a mixture and a pure substance. It also covers the various methods of separation of mixtures, such as filtration, distillation, and chromatography.

3. Atoms and Molecules: This chapter introduces the concept of atoms and molecules and explains their properties. It also covers the laws of chemical combination and the difference between molecular and empirical formulae.

4. Structure of the Atom: This chapter covers the structure of the atom, including its subatomic particles - protons, neutrons, and electrons. It also explains the electronic configuration of elements and their position in the periodic table.

5. The Fundamental Unit of Life: This chapter covers the cell as the fundamental unit of life. It also explains the difference between plant and animal cells and the various cell organelles.

6. Tissues: This chapter covers the concept of tissues and their classification. It also explains the different types of tissues found in animals and plants.

7. Diversity in Living Organisms: This chapter covers the classification of living organisms based on their characteristics. It also explains the five-kingdom classification system and the importance of biodiversity.

8. Motion: This chapter covers the concept of motion and its various types - uniform and non-uniform. It also covers the difference between speed and velocity and the equations of motion.

9. Force and Laws of Motion: This chapter covers the concept of force and its effects on motion. It also explains Newton's laws of motion and their applications.

10. Gravitation: This chapter covers the concept of gravitation and its universal nature. It also explains the laws of gravitation and their applications.

11. Work and Energy: This chapter covers the concept of work and energy and their relationship. It also covers the different forms of energy and their conservation.

12. Sound: This chapter covers the nature of sound and its propagation. It also covers the various properties of sound, such as pitch, frequency, and amplitude.

13. Why Do We Fall Ill?: This chapter covers the causes of various diseases and their prevention. It also explains the difference between infectious and non-infectious diseases.

14. Natural Resources: This chapter covers the concept of natural resources and their classification. It also covers the conservation of natural resources and the importance of sustainable development.

15. Improvement in Food Resources: This chapter covers the various methods of crop improvement and animal husbandry. It also covers the concept of organic farming and the importance of food preservation.

Overall, these chapters cover a wide range of scientific concepts and provide a strong foundation for higher-level studies.

General Instructions for Annual Examination and Internal Assessment:

1. There will be an Annual Examination based on the entire syllabus.

2. The Annual Examination will be of 80 marks and 20 marks weightage shall be for Internal Assessment.

3.For Internal Assessment:

a. There will be Periodic Assessment that would include:  

• For 5 marks- Three periodic tests conducted by the school. Average of the best two tests to be taken that will have a weightage of 05 marks towards the final result.  
• For 5 marks- Diverse methods of assessment as per the need of the class dynamics and curriculum transaction. These may include - short tests, oral test, quiz, concept maps, projects, posters, presentations and enquiry based scientific investigations etc. and use rubrics for arguing them objectively. This will also have a weightage of 05 marks towards the final result.

b. Practical / Laboratory work should be done throughout the year and the student should maintain record of the same. Practical Assessment should be continuous. There will be weightage of 5 marks towards the final result. All practicals listed in the syllabus must be completed.

c. Portfolio to be prepared by the student- This would include classwork and other sample of student work and will carry a weightage of 5 marks towards the final results.

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Benefits of NCERT Solutions For Class 9 Science

1. Clarity and Accuracy: NCERT solutions provide clear and accurate answers to the questions asked in the textbook. They are written by subject experts and follow the NCERT syllabus, ensuring that the content is reliable and trustworthy.

2. Better Understanding: NCERT solutions explain concepts in a simple and easy-to-understand language, making it easier for students to comprehend the topics. They also provide examples and illustrations that aid in conceptual understanding.

3. Time-Saving: NCERT solutions help students save time in searching for answers to textbook questions. They provide quick access to accurate solutions, allowing students to focus on other aspects of their studies.

4. Exam-Oriented: NCERT solutions are exam-oriented, providing students with a comprehensive understanding of the topics covered in the NCERT syllabus. They also help students in preparing for various competitive exams such as NEET, JEE, and others.

5. Free of Cost: NCERT solutions are available for free on the internet, making them accessible to all students. This ensures that all students have access to quality study material, regardless of their economic background.

6. Chapter-wise Solutions: NCERT solutions provide chapter-wise solutions, making it easier for students to revise and practice the topics covered in each chapter.

7. Updated Content: NCERT solutions are updated regularly, ensuring that the content is up-to-date and relevant to the latest syllabus.

How to Use NCERT Solutions for Class 9 Science

1. Familiarize Yourself with the Textbook: Before using NCERT solutions, it is essential to have a good understanding of the textbook. Read the chapters thoroughly, make notes, and identify the topics that you need help with.

2. Find the Relevant Chapter: Once you have identified the topics you need help with, find the relevant chapter in the NCERT solutions book. The solutions are arranged chapter-wise, making it easier to locate the relevant content.

3. Read the Solutions Carefully: After finding the relevant chapter, read the solutions carefully. Pay attention to the explanations and examples provided, and try to understand the concepts thoroughly.

4. Practice the Questions: Once you have understood the concepts, practice the questions provided in the NCERT solutions book. This will help you develop a deeper understanding of the topics and improve your problem-solving skills.

5. Revise Regularly: Revision is an essential part of learning. Make it a habit to revise the topics regularly and practice the questions provided in the NCERT solutions book.

6. Use NCERT Solutions for Exam Preparation: NCERT solutions are exam-oriented and provide a comprehensive understanding of the topics covered in the NCERT syllabus. Use them for exam preparation and practice the questions provided to improve your performance.

7. Seek Help if Required: If you are still having trouble understanding a particular concept, seek help from your teacher or a subject expert. They will be able to provide you with additional explanations and examples to help you understand the topic better.

Overall, using NCERT solutions for Class 9 Science can be an effective way to improve your understanding of the subject and prepare for exams. Follow these steps, and you'll be well on your way to academic success.

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