Integrated themes
Exercise physiology and nutrition · biomechanics · sports psychology and motor learning.
A standalone, concept-first course across all 29 examinable topics and all 29 supplied workbook pages. Start learning, work through every topic, then test yourself.
SEHS is a concept-based experimental science. Marks come from accurate content, application to unfamiliar data, justified scientific reasoning and a well-designed investigation—not isolated memorisation.
Exercise physiology and nutrition · biomechanics · sports psychology and motor learning.
Paper 1 combines multiple-choice and data questions. Paper 2 uses short and extended responses in context.
One individual report, maximum 3,200 words, assessed on research design, data analysis, conclusion and evaluation.
| Component | SL | HL | Weight |
|---|---|---|---|
| Paper 1 | 1 h 30 min · 30 MCQ + data questions | 1 h 45 min · 40 MCQ + data questions | 36% |
| Paper 2 | 1 h 30 min · short + extended response | 2 h 30 min · short + extended response | 40% |
| Scientific investigation | 10 hours · 24 marks · 3,200 words | Same criteria and word limit | 24% |
The quiz contains one practical bilingual question for every topic. Choose a chapter or complete all 29, read the explanation, and use the score to decide what to review.
Application, explanation, comparison, justification, evaluation and command-term reasoning.
Filter, flip, shuffle and review all 29 topics. The local assistant explains a selected topic, command term and quick check without a network request.
Conclusion and evaluation together carry 50% of the IA. The mark comes from justification, not from a long methods section.
Specific contextual question, relevant data, reproducible method, controlled variables, safety and ethics.
Relevant, accurate and clear processing with appropriate uncertainty and correct units, graphs and tables.
A justified answer consistent with the analysis, scientific context and real-world implications.
Specific weaknesses, their relative impact and realistic improvements tied to those weaknesses.
Paste your draft and get a rough 24-mark estimate against criteria A–D, with quoted evidence and concrete fixes. A study aid — your teacher's mark is the one that counts.
Use the supplied 29-page visual workbook for offline revision and the official IB update page to confirm course information for first assessment 2026.
The complete supplied 29-page workbook. The same source pages appear beside every topic above.
The IB course update page is the authoritative access point for the guide, first assessment 2026 and official course materials.