Updated: July 2026 | Reading Time: 15 Minutes
Science is one of the highest-scoring subjects in the CBSE Class 10 Board Examination. However, many students struggle because they try to memorize everything instead of understanding concepts. The good news is that with the right study strategy, regular practice, and smart revision, you can score 90–100 marks in Science.
In this complete guide, you'll learn practical methods to prepare Physics, Chemistry, and Biology effectively, avoid common mistakes, manage your study time, and revise confidently before the board exam.
Table of Contents
- Why Science Matters in CBSE Class 10
- Common Mistakes Students Make
- Smart Science Study Strategy
- How to Study Physics
- Chapter-wise Physics Preparation
- Formula Revision Tips
- How to Solve Numericals Faster
- Weekly Science Study Schedule
Why Science Matters in CBSE Class 10
Science develops logical thinking, analytical skills, and problem-solving ability. It also forms the foundation for future studies in Engineering, Medical, Pharmacy, Biotechnology, Agriculture, and many other career options.
Unlike many subjects, Science rewards students who understand concepts instead of simply memorizing answers. A student who studies regularly can easily score above 90%.
CBSE questions now focus on:
- Conceptual understanding
- Competency-based questions
- Case-study questions
- Application of scientific concepts
- Practical knowledge
7 Common Mistakes Students Make
Avoid these mistakes if you want excellent marks.
1. Memorizing Without Understanding
Science isn't history. Instead of memorizing paragraphs, understand the concept first.
2. Ignoring NCERT
Many students immediately start solving guidebooks without mastering NCERT. Remember that most board questions are directly or indirectly based on NCERT.
3. Not Practicing Numericals
Physics requires regular numerical practice. Reading solutions isn't enough.
4. Skipping Diagrams
Well-labeled diagrams improve presentation and can fetch additional marks.
5. Studying Only Before Exams
Science needs continuous revision rather than last-minute preparation.
6. Ignoring Previous Year Papers
Previous papers reveal the pattern of important concepts and frequently asked questions.
7. Poor Time Management
Many students spend too much time on favorite chapters and neglect weaker areas.
Smart Science Study Strategy
Follow this five-step method throughout the academic year.
Step 1 – Read the NCERT Chapter
Read every chapter slowly. Highlight important definitions, formulas, keywords, and diagrams.
Step 2 – Understand the Concepts
Instead of reading repeatedly, ask yourself:
- Why does this happen?
- How does this process work?
- Can I explain it in my own words?
If you can teach a concept to someone else, you've understood it.
Step 3 – Make Short Notes
Create one-page revision sheets containing:
- Definitions
- Formulas
- Important reactions
- Keywords
- Diagrams
Step 4 – Practice Questions
Solve:
- NCERT Exercises
- Exemplar Questions
- Sample Papers
- Previous Year Papers
Step 5 – Weekly Revision
Revise every Sunday. This prevents forgetting important concepts.
How to Study Physics for CBSE Class 10
Physics often seems difficult because students focus only on formulas. In reality, Physics becomes easy once you understand the concepts behind every formula.
Understand Before Memorizing
Every chapter explains how things work in everyday life.
Examples:
- Electricity powers household appliances.
- Light explains mirrors and lenses.
- Magnetic Effects explain electric motors.
Try connecting every concept with real-life situations.
Follow the 4-Step Physics Method
- Read the concept.
- Understand the derivation.
- Memorize the formula.
- Solve at least 20 numericals.
Chapter-wise Physics Preparation
Chapter 1: Light – Reflection and Refraction
Focus on:
- Mirror Formula
- Lens Formula
- Magnification
- Ray Diagrams
- Sign Convention
Practice drawing neat ray diagrams daily.
Chapter 2: Human Eye and Colourful World
Important topics:
- Defects of Vision
- Myopia
- Hypermetropia
- Cataract
- Atmospheric Refraction
- Scattering of Light
Most competency-based questions come from concept application.
Chapter 3: Electricity
Very Important Chapter.
Practice:
- Ohm's Law
- Resistance
- Series Combination
- Parallel Combination
- Electric Power
- Heating Effect
Spend extra time solving numericals from this chapter.
Chapter 4: Magnetic Effects of Electric Current
Important topics:
- Fleming's Left Hand Rule
- Electric Motor
- Generator
- Electromagnet
- Domestic Electric Circuit
Formula Revision Tips
Create one notebook containing only formulas.
Revise formulas:
- Every morning
- Before sleeping
- Before weekly tests
- Before mock exams
Writing formulas repeatedly improves long-term memory better than simply reading them.
How to Solve Physics Numericals Faster
Follow this sequence for every numerical:
- Write the given values.
- Identify the required quantity.
- Select the correct formula.
- Substitute values carefully.
- Write the SI unit.
- Draw a box around the final answer.
Avoid skipping units because CBSE often awards marks for the correct method and proper presentation.
Sample Weekly Science Study Schedule
| Day | Subject Focus | Time |
|---|---|---|
| Monday | Physics Concepts | 2 Hours |
| Tuesday | Chemistry Theory | 2 Hours |
| Wednesday | Biology Diagrams | 2 Hours |
| Thursday | Physics Numericals | 2 Hours |
| Friday | Chemistry Reactions | 2 Hours |
| Saturday | Sample Paper Practice | 3 Hours |
| Sunday | Complete Revision | 2–3 Hours |
Key Takeaways from Part 1
- Master the NCERT textbook before using reference books.
- Understand concepts instead of memorizing them.
- Practice Physics numericals regularly.
- Revise formulas every week.
- Use previous year question papers to understand the exam pattern.
- Maintain short notes for quick revision.
How to Study Chemistry for CBSE Class 10
Chemistry is often considered difficult because students try to memorize equations without understanding the concepts behind them. In reality, Chemistry becomes much easier when you learn the logic of chemical reactions and revise them regularly.
The CBSE Board mainly tests your understanding of concepts, balancing of equations, properties of substances, and practical applications. If your basics are clear, you can score excellent marks.
Best Strategy to Prepare Chemistry
- Read the complete NCERT chapter carefully.
- Understand the concepts before learning reactions.
- Prepare a separate notebook for chemical equations.
- Practice balancing reactions daily.
- Revise important definitions every week.
- Solve NCERT back exercises and exemplar questions.
- Practice competency-based and case-study questions.
Chapter-wise Chemistry Preparation
1. Chemical Reactions and Equations
This is one of the most important chapters in the syllabus.
Focus on:
- Balancing Chemical Equations
- Types of Chemical Reactions
- Oxidation and Reduction
- Corrosion
- Rancidity
Preparation Tip:
Instead of memorizing reactions randomly, understand why the reaction takes place and identify the products formed.
2. Acids, Bases and Salts
Important topics include:
- Properties of Acids
- Properties of Bases
- Indicators
- pH Scale
- Neutralization
- Important Salts
Practice questions related to daily-life applications because CBSE frequently asks concept-based questions from this chapter.
3. Metals and Non-Metals
Important topics:
- Physical Properties
- Chemical Properties
- Reactivity Series
- Extraction of Metals
- Corrosion Prevention
Remember the reactivity series using your own mnemonic for quick revision.
4. Carbon and Its Compounds
This chapter carries significant weightage.
- Covalent Bonding
- Homologous Series
- Functional Groups
- Ethanol
- Ethanoic Acid
- Soap and Detergent
Practice drawing structural formulas neatly.
5. Periodic Classification of Elements
- Modern Periodic Table
- Groups and Periods
- Periodic Trends
- Valency
- Atomic Size
Instead of memorizing facts, understand why properties change across periods and groups.
How to Remember Chemical Reactions Easily
Many students struggle with chemical equations. Try these methods:
- Write each reaction at least five times.
- Group similar reactions together.
- Revise reactions every alternate day.
- Understand reactants and products instead of rote learning.
- Create flashcards for difficult equations.
Prepare a Chemistry Formula Notebook
Your notebook should include:
- Important equations
- Balanced reactions
- Functional groups
- Important definitions
- Exceptions
- Frequently asked reactions
How to Study Biology for CBSE Class 10
Biology is considered the easiest scoring section if prepared properly. Unlike Physics, Biology requires understanding along with systematic revision.
The key is to learn concepts, practice diagrams, and remember scientific terms accurately.
Best Biology Study Method
- Read NCERT line by line.
- Underline scientific keywords.
- Draw every important diagram.
- Practice labeling regularly.
- Create short notes.
- Revise every week.
Important Biology Chapters
Life Processes
Focus on:
- Nutrition
- Respiration
- Transportation
- Excretion
Control and Coordination
- Neuron Structure
- Reflex Action
- Plant Hormones
- Human Hormones
How Do Organisms Reproduce?
- Asexual Reproduction
- Sexual Reproduction
- Reproductive Health
Heredity and Evolution
- Mendel's Experiments
- Dominant Traits
- Evolution
- Speciation
Our Environment
- Ecosystem
- Food Chain
- Food Web
- Biodegradable Waste
Biology Diagrams That Frequently Appear in Exams
Practice these diagrams until you can draw them neatly from memory:
- Human Digestive System
- Human Heart
- Neuron
- Reflex Arc
- Flower Structure
- Female Reproductive System
- Male Reproductive System
Always use a pencil, ruler, and clear labels. A neat diagram improves presentation and can help you secure better marks.
How to Answer Science Questions Effectively
Follow this structure:
- Read the question carefully.
- Underline important keywords.
- Write the answer point by point.
- Use scientific terminology.
- Add diagrams wherever required.
- Highlight keywords with a pencil after writing.
How to Prepare for Competency-Based Questions
CBSE now includes more competency-based and case-study questions. These test your understanding rather than memorization.
To prepare effectively:
- Understand every concept thoroughly.
- Practice assertion-reason questions.
- Solve sample papers regularly.
- Read diagrams and tables carefully.
- Practice application-based MCQs.
Importance of NCERT Exemplars
Once you complete the NCERT textbook, solve NCERT Exemplar questions. They improve logical thinking and prepare you for higher-order questions that frequently appear in board exams.
Smart Revision Strategy
Follow the 1-3-7 Revision Rule:
- Revise within 24 hours of learning.
- Revise again after 3 days.
- Revise once more after 7 days.
This spaced revision technique helps improve long-term retention and reduces last-minute stress.
Common Mistakes to Avoid During Science Preparation
- Ignoring NCERT diagrams.
- Skipping Physics numericals.
- Memorizing Chemistry without understanding.
- Not practicing Biology diagrams.
- Leaving revision until the last week.
- Ignoring previous year questions.
- Studying for long hours without breaks.
- Neglecting weaker chapters.
Quick Revision Checklist
- ✅ Complete NCERT textbook.
- ✅ Solve all NCERT exercises.
- ✅ Practice NCERT Exemplar.
- ✅ Revise formulas and reactions weekly.
- ✅ Draw important diagrams.
- ✅ Solve previous year papers.
- ✅ Attempt full-length mock tests.
- ✅ Analyze mistakes after every test.
Key Takeaways from Part 2
- Chemistry becomes easy when concepts are understood before memorizing reactions.
- Biology requires regular diagram practice and keyword-based answers.
- NCERT and NCERT Exemplar should be your primary study resources.
- Use the 1-3-7 revision technique for better memory retention.
- Competency-based questions demand conceptual clarity and regular practice.
30-Day Science Study Plan for CBSE Class 10
If your board exams are just one month away, don't panic. A well-planned revision schedule can help you improve your confidence and maximize your score. The goal is to revise every chapter, solve practice questions, and identify weak areas before the exam.
| Week | Focus Area | Goal |
|---|---|---|
| Week 1 | Complete Physics Revision | Concepts, formulas, numericals, NCERT exercises |
| Week 2 | Complete Chemistry Revision | Reactions, equations, exemplar questions |
| Week 3 | Complete Biology Revision | Diagrams, keywords, important questions |
| Week 4 | Mock Tests & Revision | Sample papers, PYQs, error correction |
Sample Daily Study Timetable
| Time | Activity |
|---|---|
| 6:00 – 7:00 AM | Revise formulas, reactions, and definitions |
| 9:00 – 10:30 AM | Study one chapter from NCERT |
| 11:00 – 12:00 PM | Solve NCERT exercise questions |
| 3:00 – 4:00 PM | Practice numericals or diagrams |
| 6:00 – 7:00 PM | Previous Year Questions |
| 8:00 – 8:30 PM | Quick revision of today's learning |
Last 7 Days Before the Board Exam
- Revise only your notes and NCERT highlights.
- Solve one sample paper every day.
- Analyze mistakes instead of repeating them.
- Revise formulas, reactions, and diagrams daily.
- Avoid starting completely new topics.
- Sleep for at least 7–8 hours each night.
Science Exam Day Tips
- Read the entire question paper carefully.
- Attempt easy questions first.
- Write answers in simple, clear language.
- Underline important scientific keywords.
- Draw neat, labeled diagrams whenever needed.
- Show complete steps in Physics numericals.
- Leave 15–20 minutes for revision.
Best Resources for CBSE Class 10 Science
- NCERT Textbook (Primary Resource)
- NCERT Exemplar
- CBSE Sample Question Papers
- Previous Year Board Question Papers
- Official CBSE Marking Scheme
Remember, reference books are useful only after completing the NCERT thoroughly.
Do's and Don'ts
Do's
- Study consistently every day.
- Revise every chapter multiple times.
- Practice diagrams and numericals regularly.
- Focus on understanding concepts.
- Take short breaks while studying.
Don'ts
- Don't memorize without understanding.
- Don't ignore NCERT exercises.
- Don't skip weak chapters.
- Don't depend only on guidebooks.
- Don't stay awake all night before the exam.
Frequently Asked Questions (FAQs)
1. Is NCERT enough for CBSE Class 10 Science?
Yes. NCERT is the most important resource for the board exam. Complete it thoroughly before using any reference book.
2. How many hours should I study Science daily?
Studying Science for 2–3 focused hours every day is generally enough if you are consistent and revise regularly.
3. Which is the most difficult section in Science?
Many students find Physics challenging because of numericals. Regular practice makes it much easier.
4. Should I solve previous year papers?
Yes. Previous year papers help you understand the exam pattern, improve time management, and identify important topics.
5. How can I remember chemical reactions?
Write them repeatedly, understand the concepts behind them, and revise them every few days using short notes or flashcards.
Conclusion
Scoring high marks in CBSE Class 10 Science is not about studying for long hours—it's about studying smart. Build a strong foundation with the NCERT textbook, understand every concept, revise regularly, and solve enough practice questions to become confident.
Stay disciplined, focus on your weak areas, and keep a positive attitude. Small, consistent efforts every day can make a big difference in your final board exam score.
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Final Thoughts
If you found this guide helpful, share it with your classmates and friends preparing for the CBSE Class 10 Board Exam. Keep visiting Choice Better for more study strategies, exam tips, and career guidance to help you learn smarter and achieve your goals.





