IB Class 10Subject library

IB Class 10 Sciences

Chapter-wise notes, previous year papers, sample papers and Q&A for IB Class 10 sciences — free, syllabus-aligned, exam-ready.

4 chapters~60 min read totalFree · printable

Chapters

4 chapters — sequenced for revision and exam prep.

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Genetics and Biotechnology

Why do you look like your PARENTS? How does a single cell contain the INSTRUCTIONS for building an entire human being? And what happens when we LEARN to READ and EDIT those instructions? This unit explores the molecular basis of inheritance, the structure and function of DNA, and the REVOLUTIONARY possibilities — and ETHICAL dilemmas — of modern biotechnology. IB MYP Year 5 Sciences.

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Chemical Bonding and Reactions

Why does SODIUM EXPLODE in water — while SALT dissolves peacefully? What HOLDS atoms together in molecules — and what ENERGY changes happen when chemical bonds BREAK and FORM? This unit explores the different types of chemical bonding, the variety of chemical reactions, and the quantitative relationships — stoichiometry — that allow chemists to PREDICT exactly how much product a reaction will yield. IB MYP Year 5 Sciences.

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Waves, Light and Electromagnetism

How does light TRAVEL? What makes a MAGNET stick to a fridge? How can we send INFORMATION across the world in an INSTANT — through thin air? This unit explores the FUNDAMENTAL relationships between waves, energy, and electromagnetism that underpin everything from MEDICAL IMAGING to TELECOMMUNICATIONS to the INTERNET. IB MYP Year 5 Sciences.

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Ecology and Evolution

Why are there so MANY species? How do ecosystems MAINTAIN balance? What happens when that balance is BROKEN? And what does the fossil record tell us about the history of LIFE on Earth — and its FUTURE? This unit explores the DYNAMIC interactions between organisms and their environments, the MECHANISMS of evolution, and the UNPRECEDENTED impact of human activity on the planet's biodiversity and climate. IB MYP Year 5 Sciences.

IB MYP⏱ 15 minRead chapter