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CBSE Class 8 Science Sample Papers 2025-26

By rohit.pandey1

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Updated on 7 Jul 2025, 17:39 IST

Download free PDF sample papers designed as per the latest CBSE syllabus 2025–26. These Class 8 Science sample question papers cover important topics like Force and Pressure, Sound, Friction, Light, and more. Practicing these papers helps improve time management, accuracy, and exam readiness. Each CBSE Class 8 Science model test paper includes questions based on the updated paper pattern. 

Student will also get Class 8 Science sample papers with answers for self-evaluation. These resources follow NCERT guidelines and boost conceptual understanding. Perfect for revision, school exams, and Olympiad practice. Start solving today with the CBSE Class 8 Science question paper PDF – free, printable, and easy to access.

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CBSE Class 8 Science Sample Papers 2025-26

The table below features the latest CBSE Class 8 Science sample papers for the academic year 2025-26. These practice papers are designed to help students strengthen their understanding of important topics, boost exam preparation, and enhance confidence for the final assessment. Downloading and solving these model papers will familiarize you with the exam pattern, important questions, and marking scheme.

S.No.Sample Papers for Class 8 Science 2025-26
1CBSE Class 8 Science Set 1 Sample Paper
2CBSE Class 8 Science Set 2 Sample Paper
3CBSE Class 8 Science Set 3 Sample Paper
4CBSE Class 8 Science Set 4 Sample Paper
5CBSE Class 8 Science Set 5 Sample Paper

Why Practice with Class 8 CBSE Science Sample Papers?

Practicing with CBSE Class 8 Science sample papers helps you prepare better for exams. These papers follow the latest CBSE guidelines and question formats. You learn how to manage time while answering real exam-style questions. Solving Class 8 Science model question papers improves speed and accuracy.

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Sample papers help you revise key chapters like Force and Pressure, Light, and Friction. You understand the weightage of topics and identify your weak areas. Regular practice boosts confidence and reduces exam stress.

Each CBSE Class 8 Science sample question paper PDF comes with solutions. These help in self-assessment and understanding correct answers. You also learn how to structure answers for maximum marks.

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Whether you’re preparing for school exams or Olympiads, these NCERT-based sample papers improve conceptual clarity. They make revision easier and ensure you're ready for any question format.

How to Use CBSE Class 8 Science Sample Paper for Maximum Benefit?

Using CBSE Class 8 Science sample papers smartly improves your exam score. Follow this step-by-step guide to get the best results:

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YOUR TOPIC, YOUR DIFFICULTY, YOUR PACE
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Step-by-Step Guide to Solve CBSE Class 8 Science Sample Paper

Download the CBSE Class 8 Science Sample Paper PDF
Choose a recent paper based on the latest CBSE Class 8 Science syllabus. Use trusted sources like NCERT-aligned portals.

Set a Timer and Solve It Like a Real Exam
Allocate exactly 2 hours. Follow proper exam conditions. No breaks. No peeking at the answers.

Check Your Answers with Solutions
Compare your responses using the provided answer key. Highlight incorrect answers and concepts you missed.

Mark Difficult Questions
Identify which chapters or topics were tough for you. Make a “Focus Revision List” based on this.

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Revise Those Topics First
Use NCERT books, revision notes, and videos to revisit weak areas. Practice extra questions from those chapters.

Repeat with Another Sample Paper
Solve a new paper every 3–5 days. Track your improvement. Time your progress and accuracy.

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create your own test
YOUR TOPIC, YOUR DIFFICULTY, YOUR PACE
start learning for free

Keep a Practice Log or Tracker
Maintain a sheet with scores, time taken, and mistakes made. See the table and downloadable tracker below.

CBSE Class 8 Science Exam Pattern 2025–26

Understanding the exam pattern is key to scoring well. Below is a simple explanation of the CBSE Class 8 Science exam structure, types of questions, and chapter-wise weightage. This section is ideal for quick revision and aligns with the latest CBSE guidelines.

Objective vs Subjective Question Types

The CBSE Class 8 Science exam includes a mix of both objective and subjective questions:

Question TypeDetails
ObjectiveIncludes multiple choice questions (MCQs) and fill-in-the-blanks. Tests basic concepts and facts.
SubjectiveIncludes short answer and long answer questions. Tests understanding, reasoning, and explanation.
  • MCQs test conceptual clarity.
  • Short answers are usually 2–3 marks.
  • Long answers can carry 5 marks and require detailed explanations.

Chapter-Wise Weightage for Class 8 Science

Although internal exams vary by school, most follow NCERT-based structure. Here is the approximate chapter-wise weightage:

Chapter NameEstimated Weightage
Crop Production and Management6–8 marks
Microorganisms: Friend and Foe5–7 marks
Synthetic Fibres and Plastics4–6 marks
Materials: Metals and Non-metals6–8 marks
Coal and Petroleum4–6 marks
Combustion and Flame5–7 marks
Conservation of Plants and Animals3–5 marks
Cell – Structure and Functions5–6 marks
Reproduction in Animals5–7 marks
Reaching the Age of Adolescence4–6 marks
Force and Pressure6–8 marks
Friction4–6 marks
Sound5–7 marks
Chemical Effects of Electric Current4–6 marks
Some Natural Phenomena4–5 marks
Light6–8 marks
Stars and the Solar System4–6 marks
Pollution of Air and Water5–7 marks

Note: Weightage may differ slightly in school exams, but the pattern stays similar across CBSE-affiliated institutions.

Class 8 Science Marking Scheme (2025-26)

Here is the general marking structure followed in most schools:

Question FormatMarks per QuestionApproximate Count
Multiple Choice Questions1 mark10–15 questions
Short Answer Type-I2 marks6–8 questions
Short Answer Type-II3 marks4–6 questions
Long Answer Questions5 marks3–4 questions
Total Marks80 (Theory) 
Internal Assessment20 MarksBased on projects, activities, and tests

FAQs: CBSE Class 8 Science Sample Papers

How to download CBSE Class 8 Science Sample Paper PDFs?

Student’s can download CBSE Class 8 Science Sample Paper PDFs for free from Infinity Learn or other official CBSE resources.

  • Go to the Class 8 Science Sample Papers section and click on the “Download PDF” button beside each paper.
  • The files are printable and follow the latest CBSE syllabus for 2025–26.
  • Infinity Learn also provides sample papers with solutions and answer keys to help you practice better.
  • Choose sets with chapter wise coverage to match your preparation needs.

Are these papers based on NCERT syllabus?

Yes, all CBSE Class 8 Science Sample Papers available at Infinity Learn are strictly based on the NCERT syllabus.

  • They follow the official CBSE curriculum for 2025–26 and are prepared by subject matter experts.
  • Topics like Sound, Force and Pressure, and Crop Production are included.
  • These papers reflect the actual CBSE exam structure, question types, and topic distribution.
  • Practicing them ensures complete alignment with what’s taught in NCERT books.

Can I use these sample papers for Olympiad preparation?

Yes, you can use CBSE Class 8 Science Sample Papers from Infinity Learn as a starting point for Olympiad preparation.

  • They help in building strong basics from the NCERT syllabus, which is essential for Olympiads.
  • However, Olympiads often include advanced and tricky questions, so pair these papers with Olympiad Specific material.
  • Use Infinity Learn’s structured sample sets to strengthen core concepts and boost confidence.
  • This combination will help you perform well in school exams and science Olympiads.

Will these help in final exam preparation?

Yes. Infinity Learn’s CBSE Class 8 Science Sample Papers are ideal for final exam preparation.

  • They offer full syllabus coverage and are designed according to the latest CBSE guidelines.
  • Each set includes both objective and subjective questions with detailed solutions.
  • Practicing these papers improves speed, accuracy, and exam temperament.
  • Use them for self assessment and lastminute revision before the final exams.