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CBSE Class 8 Science — Flashcards

CBSE Class 8 Science flashcards, chapter by chapter — 962 flashcards across 13 chapters. Follows the CBSE syllabus.

How to Use Flashcards

  1. Read the question — answer it in your head before flipping.
  2. Check the answer — mark the cards you got wrong.
  3. Repeat the hard ones — review wrong cards more often, easy ones less.
  4. Little and often — short daily sessions beat long cramming sessions.

Chapter-Wise Flashcards — 13 Chapters

Q: Why is one side of a puri thinner than the other?

A: A puri can puff unevenly because the dough, oil temperature, and way it is dropped into the oil affect how steam forms and spreads inside it. This is a scientific question that needs careful observati

Q: पुरी का एक किनारा दूसरे किनारे से पतला क्यों होता है?

A: एक पूरी असमान रूप से फूल सकती है क्योंकि आटा, तेल का तापमान और जिस तरह से इसे तेल में डाला जाता है, वह प्रभावित करता है कि भाप कैसे बनती है और उसके अंदर कैसे फैलती है। यह एक वैज्ञानिक प्रश्न है जिसके

Q: Why does a phulka swell when put directly on a flame?

A: Heat makes the water inside the dough turn into steam. The steam pushes the dough outward, so the phulka swells.

All 64 Exploring the Investigative World of Science flashcards

Q: What is a cell?

A: A cell is the basic unit of life. All living beings are made of cells, and cells form the body of plants, animals, and microorganisms.

Q: कोशिका क्या है?

A: कोशिका जीवन की मूल इकाई है। सभी जीव कोशिका से बने हैं और कोशिका से ही पेड़, जानवर और सूक्ष्मजीवों का शरीर बनता है।

Q: Why did Robert Hooke name small spaces in cork cells?

A: He observed a thin slice of cork under a microscope and saw many small empty spaces like a honeycomb. He called each space a cell.

All 70 The Invisible Living World: Beyond Our Naked Eye flashcards

Q: What does health mean?

A: Health means complete physical, mental, and social well-being, not just the absence of disease. A healthy person can do tasks efficiently, cope with difficult situations, and adjust well in society.

Q: स्वास्थ्य का क्या अर्थ है?

A: स्वास्थ्य का अर्थ है पूर्ण शारीरिक, मानसिक एवं सामाजिक कल्याण, न कि केवल रोग का न होना। स्वस्थ व्यक्ति कार्य कुशलता से कर सकता है, कठिन परिस्थितियों से निपट सकता है एवं समाज में अच्छी तरह से समायोजित

Q: Why is health more than not falling sick?

A: A person may not have a disease but still feel lonely, stressed, weak, or unhappy. True health also includes a positive mind, good relationships, and a healthy social life.

All 80 Health: The Ultimate Treasure flashcards

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Frequently Asked Questions

Where can I find CBSE Class 8 Science Flashcards?

This page has flashcards for 13 chapters of CBSE Class 8 Science for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Read the question side, answer it in your head, then check. Put the cards you got wrong back into the pile and review them again the next day. Short daily sessions work better than long ones.

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13 chapters

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