IB DP · First assessment 2026

IB SEHS Course

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.

29 topics3 themes29 workbook pages76% external assessment24% scientific investigationSL + HL
Exam map

What the first assessment rewards

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.

3

Integrated themes

Exercise physiology and nutrition · biomechanics · sports psychology and motor learning.

76%

External examination

Paper 1 combines multiple-choice and data questions. Paper 2 uses short and extended responses in context.

24%

Scientific investigation

One individual report, maximum 3,200 words, assessed on research design, data analysis, conclusion and evaluation.

ComponentSLHLWeight
Paper 11 h 30 min · 30 MCQ + data questions1 h 45 min · 40 MCQ + data questions36%
Paper 21 h 30 min · short + extended response2 h 30 min · short + extended response40%
Scientific investigation10 hours · 24 marks · 3,200 wordsSame criteria and word limit24%
Retrieve and apply

Practice the IB command terms

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.

IB practical quiz

Application, explanation, comparison, justification, evaluation and command-term reasoning.

Flashcards and local study help

Filter, flip, shuffle and review all 29 topics. The local assistant explains a selected topic, command term and quick check without a network request.

Internal assessment

Scientific investigation: four equal criteria

Conclusion and evaluation together carry 50% of the IA. The mark comes from justification, not from a long methods section.

6

Research design

Specific contextual question, relevant data, reproducible method, controlled variables, safety and ethics.

6

Data analysis

Relevant, accurate and clear processing with appropriate uncertainty and correct units, graphs and tables.

6

Conclusion

A justified answer consistent with the analysis, scientific context and real-world implications.

6

Evaluation

Specific weaknesses, their relative impact and realistic improvements tied to those weaknesses.

🔍 IA Checker

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.

Downloads & official access

Keep the source material close

Use the supplied 29-page visual workbook for offline revision and the official IB update page to confirm course information for first assessment 2026.

Visual Revision Workbook

The complete supplied 29-page workbook. The same source pages appear beside every topic above.

Official SEHS curriculum

The IB course update page is the authoritative access point for the guide, first assessment 2026 and official course materials.