Class 10th Science Notes PDF Free Download 2026

Jagdeep Singh

Published: 28 Feb, 2026

Hello! Welcome to University Scope — I’m really glad you’re here. My name is Jagdeep, and for the past 5 years I’ve been creating study material specifically for Class 10th CBSE students. I’ve seen students come in with zero confidence and leave with 85+ marks — and trust me, the difference was never about being smart. It was always about studying the right things in the right way.

Today, I’m sharing my Class 10th Science Notes PDF — completely free. These notes are based on the latest NCERT syllabus and I’ve personally made sure every important topic, every key definition, and every type of exam question is covered. Whether your board exam is 6 months away or 6 weeks away — these notes will work for you.

Download Class 10th Science Notes PDF Free

Alright, let’s get straight to the point — here’s the PDF download link for Class 10th Science Notes. I’ve put a lot of work into these, so I hope they genuinely help you.

Now let me tell you exactly what's inside this PDF, because I want you to know what you're getting before you download:

Inside the PDF, I've covered the complete topic-wise theory in simple language — no complex jargon, no copy-paste from textbooks. I've rewritten everything the way I'd explain it to a student sitting right in front of me.

Along with theory, you'll find MCQs with answers for every chapter — and these aren't random questions. They're picked from the last 10 years of CBSE board papers. Then there are short answer questions with model answers, long answer questions with step-by-step detailed answers, important definitions highlighted separately, and diagrams wherever they're needed. Everything in one place — nothing extra, nothing missing.

Download Official CBSE Class 10th Science Syllabus PDF

Before you start studying, I always recommend downloading the official CBSE syllabus first. I know most students skip this step — and that's actually one of the biggest mistakes. When you know the syllabus, you know the boundaries. You know what to study and — more importantly — what NOT to waste your time on.

[📋 DOWNLOAD BUTTON: Class 10th Science Official CBSE Syllabus PDF]

Once you've downloaded it, don't just save it. Actually go through it once. Mark the chapters you're confident about and the ones that scare you a little — that's where we'll focus first.

NCERT Class 10th Science Syllabus with Chapter Wise Marks Weightage

Now let me show you the complete NCERT Class 10th Science syllabus in a clean table format. I've also added the marks weightage and importance level for each chapter — this alone will save you hours of confusion about where to focus.

I know looking at this table might feel overwhelming — 13 chapters can do that to anyone. But here's the truth: if you focus on the Very High and High importance chapters first, you've already covered about 70% of your exam. The rest becomes a bonus.

What’s Covered Chapter by Chapter in These Class 10th Science Notes

Let me now walk you through exactly what's covered in our notes — chapter by chapter. I want you to be 100% sure that nothing important is missing.

We start with Chemical Reactions and Equations — this chapter is the foundation of Science. I've explained balancing equations and types of reactions in a way that even a complete beginner will understand. Then we move to Acids, Bases and Salts, which is honestly one of the most important chapters for board exams. Every year, at least 2-3 questions come directly from this chapter. Metals and Non-metals comes next — focus here on reactivity series because it repeats every year. Carbon and its Compounds has tricky organic parts but my notes make it super easy with simple examples.

After that we cover Life Processes — this is a big one with lots of diagrams for nutrition and respiration. Control and Coordination explains nerves and hormones clearly. How do Organisms Reproduce? has many diagram questions so I added extra drawings. Heredity is theory heavy but very scoring if you learn basic rules.

Then comes Light — Reflection and Refraction — lots of ray diagrams and numericals here. The Human Eye and the Colourful World explains defects of vision in easy steps. Electricity is full of numerical problems — my notes give step-by-step solutions. Magnetic Effects of Electric Current teaches Fleming's rule with simple pictures. Finally Our Environment covers ecosystem and pollution in short points. Everything matches the latest NCERT and CBSE board pattern.

Why Trust These Class 10th Science Notes

Okay, I'll be honest with you — I know you have many options. Google has thousands of notes, YouTube has hundreds of teachers. So why should you trust University Scope notes? Let me give you real reasons, not marketing talk.

These notes aren't written by someone who just passed Class 10th. I've been creating this material for 10 years. I've seen which questions repeat. I've seen where students lose marks unnecessarily. Every single word in these notes is written keeping that experience in mind.

Most notes online are either too NCERT-literal or too random. Ours are different — I've taken NCERT as the base but built on it using actual CBSE board exam patterns. The result? Notes that are both conceptually solid and exam-ready.

Every MCQ, every short question, every long question in our PDF is cross-checked with past 10 years of CBSE papers. No random questions. No filler content.

I write the way I teach — simply. If a 13-year-old can't understand it, I rewrite it. That's my personal rule.

These notes are completely free. No subscription, no hidden fee, no 'unlock premium' nonsense. If it helps you score better, that's enough for me.

CBSE keeps making changes. Our notes are updated every year based on the latest NCERT edition and official CBSE curriculum.

How to Study Class 10th Science – Step by Step Plan

This is probably the most valuable section on this page — and most students scroll past it to get to the download. Don't be that student. Read this once, and it'll save you weeks of wasted effort.

Step 1 — Syllabus First: Download the syllabus (link above). Spend 30 minutes reading it. Mark the chapters you know and the ones you don't.

Step 2 — Chapter Priority Order: Don't study chapters in serial order — that's the biggest time-wasting mistake. Start with Life Processes, then Electricity, then Light — Reflection and Refraction. Here's why — these three chapters alone can fetch you 28 marks in the board exam.

Step 3 — Theory First, Questions Later: For each chapter, read the theory in our notes once. Just once. Don't try to memorize on first read. Understand the concept. Then solve MCQs. Then short questions. Then long questions. This order works — I've tested it with hundreds of students.

Step 4 — Past Papers Are Non-Negotiable: Once you've covered 60% of the syllabus, start solving past year papers. At least 5 previous years. This alone can boost your score by 10-15 marks — seriously.

Step 5 — Last 15 Days Strategy: In the final 15 days, stop studying new things. Only revise. Read your notes again. Solve 2-3 sample papers under timed conditions. Focus on weak areas only.

Step 6 — The Night Before Exam:
Don't study anything new. Sleep well. Eat well. Just skim through important definitions and formulas. Trust your preparation — you've done the work.

Most Important Topics in Class 10th Science for Board Exams

Let me tell you — after 10 years of tracking CBSE board exam patterns, there are certain topics that appear almost every single year. If you're short on time, these are your non-negotiables:

• Life Processes — This has appeared in CBSE boards for the last 7 consecutive years. Usually comes as a 5-mark long question with diagrams. Make sure you know nutrition and respiration deeply.
• Electricity — Every year there's at least one big numerical and one short question from Ohm's law. It takes only a few hours to master — highest return on time investment.
• Light — Reflection and Refraction — Students underestimate ray diagrams. The board exam questions are tricky. Practice the NCERT examples multiple times.
• Metals and Non-metals — Reactivity series and corrosion come every year. One 3-mark or 5-mark question is fixed.
• Chemical Reactions and Equations — Balancing equations and types of reactions. Very easy marks if you practice.
• Heredity — Basic rules and sex determination. Short questions repeat often.
• Human Eye defects — Simple but scoring. One question almost sure.
• Our Environment — Ecosystem and ozone layer. Easy 3-5 marks.

How to Score 80+ Marks in Class 10th Science

Every student I've worked with who scored 80+ marks had three things in common — and none of them were extraordinary intelligence. Here's what they all did:

First, they studied consistently. Not 8 hours a day — just 2-3 focused hours without phone. Second, they practiced writing answers. Not just reading — actually writing. Because in boards, how you write matters as much as what you write. Third, they never left any chapter completely untouched. Even the 'difficult' ones — they at least covered the basic questions.

You can do this too. 80+ is not a dream score for Class 10th. It's what happens when you use the right resources and stay consistent. And honestly — that's why I made these notes.

Frequently Asked Questions About Class 10th Science Notes

I'll wrap up here — but before I do, I want to say something to every student reading this:

Board exams feel huge right now. I know that. But I've been doing this for 10 years, and I can tell you with full confidence — you are more capable than you think. The notes are ready. The syllabus is clear. The study plan is in front of you. Now it's your turn.

Download the notes, make a schedule, and start today. Not tomorrow. Today.

If you have any questions — drop them in the comments below. I personally read every comment and I'll try my best to help.

Best of luck for your boards.
You've totally got this.

— Jagdeep Sir, University Scope