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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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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

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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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