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CBSE Class 8

Exam & practice collection

CBSE Class 8 Science Extra Questions

Additional practice questions beyond textbook exercises for Class 8 Science.

38 PDFs 18 chapters

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Choose a Science chapter to find practice PDFs.

Conservation of Plants and Animals 3 resources Stars and the Solar System 3 resources Cell – Structure and Functions 2 resources Chemical Effects of Electric Current 2 resources Coal and Petroleum 2 resources Combustion and Flame 2 resources Crop Production and Management 2 resources Force and Pressure 2 resources Friction 2 resources Metals and Non-metals 2 resources Microorganisms 2 resources Pollution of Air and Water 2 resources Reaching the Age of Adolescence 2 resources Reproduction in Animals 2 resources Some Natural Phenomena 2 resources Sound 2 resources Synthetic Fibres and Plastics 2 resources Light 1 resource

All Extra Questions PDFs

38 resources · browse by chapter or choose a paper · page 1 of 2
CBSE Class 8 Science Extra Questions Chapter wise ( handwritten) 2021 · 232 downloads Friction Class 8 Extra Questions Science Chapter 12 Friction · 2021 · 114 downloads Pollution of Air and Water Class 8 Extra Questions Science Chapter 18 Pollution of Air and Water · 2021 Stars and the Solar System Class 8 Extra Questions Chapter 17 Stars and the Solar System · 2021 Light Class 8 Extra Questions Science Chapter 16 Light · 2021 Some Natural Phenomena Class 8 Extra Questions Science Chapter 15 Some Natural Phenomena · 2021 Chemical Effects of Electric Current Class 8 Extra Questions Chapter 14 Chemical Effects of Electric Current · 2021 Sound Class 8 Extra Questions Science Chapter 13 Sound · 2021 Force and Pressure Class 8 Extra Questions Science Chapter 11 Force and Pressure · 2021 Reaching the Age of Adolescence Class 8 Extra Questions Chapter 10 Reaching the Age of Adolescence · 2021 Reproduction in Animals Class 8 Extra Questions Science Chapter 9 Reproduction in Animals · 2021 Cell Structure and Functions Class 8 Extra Questions Science Chapter 8 Cell – Structure and Functions · 2021 Conservation of Plants and Animals Class 8 Extra Questions Science Chapter 7 Conservation of Plants and Animals · 2020 Combustion and Flame Class 8 Extra Questions Science Chapter 6 Combustion and Flame · 2021 Coal and Petroleum Class 8 Extra Questions Science Chapter 5 Coal and Petroleum · 2021 Materials Metals and Non-metals Class 8 Extra Questions Chapter 4 Metals and Non-metals · 2021 Synthetic Fibres and Plastics Class 8 Extra Questions Chapter 3 Synthetic Fibres and Plastics · 2021 Friend and Foe Class 8 Extra Questions Science Chapter 2 Microorganisms · 2021 Crop Production and Management Class 8 Extra Questions Chapter 1 Crop Production and Management · 2021 · 58 downloads Microorganisms Friend and Foe Class 8 Extra Question Answers Microorganisms · 2020 · 96 downloads

Frequently asked questions

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

This collection currently lists 38 approved Extra Questions resources for CBSE Class 8 Science, updated as new papers are uploaded.

Are these Extra 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 Extra Questions practice?

Popular chapters with Extra Questions content include Conservation of Plants and Animals, Stars and the Solar System, Cell – Structure and Functions. Use the chapter links on this page to open topic-specific collections.

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

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

Can teachers use these Science Extra Questions PDFs in class?

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

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