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CBSE Class 8

Exam & practice collection

CBSE Class 8 Science Important Questions

Most important exam-oriented questions for Class 8 Science — chapter-wise PDF sets.

22 PDFs 18 chapters

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Choose a Science chapter to find practice PDFs.

Coal and Petroleum 2 resources Metals and Non-metals 2 resources Some Natural Phenomena 2 resources Synthetic Fibres and Plastics 2 resources Cell – Structure and Functions 1 resource Chemical Effects of Electric Current 1 resource Combustion and Flame 1 resource Conservation of Plants and Animals 1 resource Crop Production and Management 1 resource Force and Pressure 1 resource Friction 1 resource Light 1 resource Microorganisms 1 resource Pollution of Air and Water 1 resource Reaching the Age of Adolescence 1 resource Reproduction in Animals 1 resource Sound 1 resource Stars and the Solar System 1 resource

All Important Questions PDFs

22 resources · browse by chapter or choose a paper · page 1 of 2
Important Questions for Stars and the Solar System Class 8 Chapter 17 Stars and the Solar System · 2021 Important Questions for Light Class 8 Science Chapter 16 Light · 2021 · 95 downloads Important Questions for Some Natural Phenomena Class 8 Chapter 15 Some Natural Phenomena · 2021 Important Questions for Chemical Effects of Electric Current Class 8 Chapter 14 Chemical Effects of Electric Current · 2021 Important Questions for Sound Class 8 Science Chapter 13 Sound · 2021 Important Questions for Friction Class 8 Science Chapter 12 Friction · 2021 Important Questions for Force and Pressure Class 8 Chapter 11 Force and Pressure · 2021 · 57 downloads Important Questions for Reaching the Age of Adolescence Class 8 Chapter 10 Reaching the Age of Adolescence · 2021 Important Questions for Reproduction in Animals Class 8 Chapter 9 Reproduction in Animals · 2021 Important Questions for Cell Structure and Functions Class 8 Chapter 8 Cell – Structure and Functions · 2021 Important Questions for Conservation of Plants and Animals Class 8 Chapter 7 Conservation of Plants and Animals · 2021 Important Questions for Combustion and Flame Class 8 Chapter 6 Combustion and Flame · 2021 Important Questions for Coal and Petroleum Class 8 Chapter 5 Coal and Petroleum · 2021 Important Questions for Materials Metals and Non-metals Class 8 Chapter 4 Metals and Non-metals · 2021 Important Questions for Synthetic Fibres and Plastics Class 8 Science Chapter 3 Synthetic Fibres and Plastics · 2021 Important Questions for Friend and Foe Class 8 Chapter 2 Microorganisms · 2021 Important Questions for Crop Production and Management Class 8 Crop Production and Management · 2021 Pollution of Air and Water Class 8 Important Questions Pollution of Air and Water · 2019 · 99 downloads Some Natural Phenomena Class 8 Important Questions Some Natural Phenomena · 2019 Coal and Petroleum Class 8 Important Questions Coal and Petroleum · 2019

Frequently asked questions

How many Class 8 Science Important Questions PDFs are available on Ribblu?

This collection currently lists 22 approved Important Questions resources for CBSE Class 8 Science, updated as new papers are uploaded.

Are these Important Questions papers free to download?

You can browse resources on Ribblu for free. Guests get 1 free PDF download every 30 days (any one paper). After that, create a free Ribblu account (you get 200 points on signup); further downloads use 25 Ribblu points each (earn points by uploading papers or writing school reviews). Re-downloading a paper you already own on your account is free.

Which Science chapters have Important Questions practice?

Popular chapters with Important Questions content include Coal and Petroleum, Metals and Non-metals, Some Natural Phenomena. Use the chapter links on this page to open topic-specific collections.

Are these Important Questions questions aligned with CBSE Class 8 pattern?

Resources are uploaded from schools and educators across India and tagged for Important Questions practice. Check individual PDFs for marking scheme or answer keys where included.

Can teachers use these Science Important Questions PDFs in class?

Yes. Teachers may print or share links for classroom tests, revision sessions, and homework assignments.

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