CBSE Class 7 Science Exam Preparation
Nutrition, acids, weather, and forests — science in the real world
Complete chapter-wise preparation guide for CBSE Class 7 Science. Covers nutrition in plants and animals, acids/bases, physical and chemical changes, climate, forests, and electric current.
Practice with AI Evaluation →80
Theory Marks
20
Practical Marks
3 hours
Exam Duration
16
Total Chapters
Chapter-Wise Marks Breakdown
98 theory marks| Chapter | Marks | Difficulty |
|---|---|---|
| Nutrition in Plants | 7 | Easy |
| Nutrition in Animals | 7 | Easy |
| Fibre to Fabric | 5 | Easy |
| Heat | 6 | Medium |
| Acids, Bases and Salts | 7 | Medium |
| Physical and Chemical Changes | 7 | Medium |
| Weather, Climate and Adaptations | 6 | Easy |
| Winds, Storms and Cyclones | 6 | Medium |
| Soil | 5 | Easy |
| Respiration in Organisms | 7 | Medium |
| Transportation in Animals and Plants | 7 | Medium |
| Reproduction in Plants | 6 | Easy |
| Motion and Time | 6 | Easy |
| Electric Current and Its Effects | 7 | Medium |
| Light | 6 | Easy |
| Forests & Waste Water Story | 3 | Easy |
Topics That Appear Every Year
Study Strategy for 90+
Life Science (Nutrition, Respiration, Transport) needs diagrams — draw daily
Acids & Bases: make a table of common acids, bases, and their properties
Physical vs Chemical changes — most commonly confused topic, memorise 5 examples each
Electric current: draw circuits with correct symbols — marks awarded for accurate diagrams
Write definitions precisely — CBSE awards marks for key words like 'aerobic', 'anaerobic'
Related Study Tips
All Study Tips →How the CBSE Marking Scheme Works (And Why Most Students Don't Know)
5 min readBoard Exam HacksThe Exact Answer Format CBSE Examiners Want for Every Mark Value
5 min readBoard Exam HacksWhy CBSE Students Lose Marks Even When They Know the Answer
4 min readRevision StrategiesThe 30-Day CBSE Board Exam Preparation Plan That Actually Works
6 min readKnow what to study. Now practise it.
ClearSteps gives you CBSE Class 7 Science mock papers, concept videos for every chapter, and AI evaluation against the real CBSE marking scheme.