CBSE Class 8 Science — Important Questions 2026
Most important questions for CBSE Class 8 Science board exam 2026. Chapter-wise questions with marking scheme and expected topics.
Quick Summary
This page covers the most important questions for CBSE Class 8 Science board exam 2026, based on previous year question papers and expected topics. Focus on these for maximum marks.
How to Use Important Questions
- Start with high-weightage chapters — focus on chapters that carry the most marks in the exam.
- Practice writing answers — don't just read; write out answers within the time limit to build speed.
- Cross-reference with syllabus — ensure every chapter is covered by checking the syllabus page.
- Revise with notes — after practising, use revision notes for quick recap before the exam.
Chapter-Wise Important Questions — 13 Chapters
Focus on high-weightage chapters first. Each chapter below lists the types of questions frequently asked in CBSE board exams.
Exploring the Investigative World of Science
45 questionsWhat is the main purpose of asking 'Why?' and 'How?' questions in science?
Which symbols represent the balance needed in scientific investigation?
Investigation in science means only asking simple questions.
What makes a puri puff up when placed in hot oil?
+41 more questions — practice in Super Tutor
The Invisible Living World: Beyond Our Naked Eye
45 questionsWhat is the basic unit of life?
Who first used the term 'cell' in biology?
Which of the following are main parts of a cell?
What makes plant cells different from animal cells?
+41 more questions — practice in Super Tutor
Health: The Ultimate Treasure
45 questionsAccording to the World Health Organization (WHO), what is the complete definition of health?
Which of the following are examples of communicable diseases?
What is the difference between a symptom and a sign of illness?
Which habits contribute to maintaining good health?
+41 more questions — practice in Super Tutor
10 more chapters available
Get chapter-wise important questions with practice tests for all 13 chapters
Try Super Tutor — It's FreeGet chapter-wise help for CBSE Class 8 Science
Super Tutor gives you detailed chapter summaries, revision notes, practice quizzes, and flashcards — all tailored to the CBSE syllabus.
Try Super Tutor — It's FreeFrequently Asked Questions
Where can I find CBSE Class 8 Science Important Questions?
This page provides important questions for CBSE Class 8 Science for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.
Is CBSE Class 8 Science easy to score in?
Science is one of the scoring subjects in CBSE Class 8 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.
How to prepare for CBSE Class 8 Science board exam?
Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.
How many questions come from each chapter in CBSE Class 8 Science?
The question paper distribution varies each year, but certain chapters consistently carry more marks. Check the marks distribution section above for chapter-wise weightage based on previous year patterns.
Browse Important Questions by Chapter
13 chapters available
Exploring the Investigative World of Science
The Invisible Living World: Beyond Our Naked Eye
Health: The Ultimate Treasure
Electricity: Magnetic and Heating Effects
Exploring Forces
Pressure, Winds, Storms, and Cyclones
Particulate Nature of Matter
Nature of Matter: Elements, Compounds, and Mixtures
The Amazing World of Solutes, Solvents, and Solutions
Light: Mirrors and Lenses
Keeping Time with the Skies
How Nature Works in Harmony
Our Home: Earth, a Unique Life Sustaining Planet
More Science Resources
CBSE Class 8
Syllabus
Complete topic list and marks distribution
Revision Notes
Key formulas, concepts, and quick revision points
Study Plan
Day-by-day preparation schedule
Flashcards
Quick-fire cards for active recall practice
Formula Sheet
Every formula you need in one place
Chapter Summary
Understand each chapter at a glance
Practice Quiz
Test yourself with interactive quizzes
Concept Maps
Visual diagrams showing how topics connect