IB DP Class 12 Science

IB DP Class 12 Science Important Chapters 2026-27

Subject-wise Key Topics — Physics, Chemistry, Biology & Mathematics

Comprehensive list of important chapters for IB DP Class 12 Science. Focus on these key topics for effective exam preparation. Your complete guide to IB DP Science important chapters.

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IB DP Physics Important Chapters 2026-27

Core Topics (HL & SL)

• Topic 1: Measurements and Uncertainties
• Topic 2: Mechanics
• Topic 3: Thermal Physics
• Topic 4: Waves
• Topic 5: Electricity and Magnetism
• Topic 6: Circular Motion and Gravitation
• Topic 7: Atomic, Nuclear and Particle Physics
• Topic 8: Energy Production

HL Extension Topics

• Topic 9: Wave Phenomena
• Topic 10: Fields
• Topic 11: Electromagnetic Induction
• Topic 12: Quantum and Nuclear Physics

HL students must study all HL extension topics

IB DP Chemistry Important Chapters 2026-27

Core Topics (HL & SL)

• Topic 1: Stoichiometric Relationships
• Topic 2: Atomic Structure
• Topic 3: Periodicity
• Topic 4: Chemical Bonding and Structure
• Topic 5: Energetics/Thermochemistry
• Topic 6: Chemical Kinetics
• Topic 7: Equilibrium
• Topic 8: Acids and Bases

HL Extension Topics

• Topic 9: Redox Processes
• Topic 10: Organic Chemistry
• Topic 11: Measurement and Data Processing
• Topic 12: Advanced Organic Chemistry
• Topic 13: Advanced Inorganic Chemistry

HL students must study all HL extension topics

IB DP Biology Important Chapters 2026-27

Core Topics (HL & SL)

• Topic 1: Cell Biology
• Topic 2: Molecular Biology
• Topic 3: Genetics
• Topic 4: Ecology
• Topic 5: Evolution and Biodiversity
• Topic 6: Human Physiology

HL Extension Topics

• Topic 7: Nucleic Acids
• Topic 8: Metabolism, Cell Respiration and Photosynthesis
• Topic 9: Plant Biology
• Topic 10: Genetics and Evolution
• Topic 11: Animal Physiology

HL students must study all HL extension topics

IB DP Mathematics Important Chapters 2026-27

Analysis & Approaches (AA)

• Topic 1: Number and Algebra
• Topic 2: Functions
• Topic 3: Geometry and Trigonometry
• Topic 4: Statistics and Probability
• Topic 5: Calculus
• Topic 6 (HL): Advanced Calculus
• Topic 7 (HL): Advanced Algebra

Applications & Interpretation (AI)

• Topic 1: Number and Algebra
• Topic 2: Functions
• Topic 3: Geometry and Trigonometry
• Topic 4: Statistics and Probability
• Topic 5: Calculus (HL only)
• Topic 6 (HL): Advanced Statistics
• Topic 7 (HL): Advanced Geometry

Frequently Asked Questions

How many topics are there in IB DP Physics?

IB DP Physics has 8 core topics for SL and 12 topics (including 4 HL extensions) for HL.

Which chapters are most important for IB DP Science final exams?

All topics are important for final exams. However, core topics (Topics 1-6) form the foundation for both HL and SL students. HL students must also master extension topics.

How can StudyDecode help me with IB DP Science chapters?

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