IB ESS 5.1.15 (HL) Soil classification

IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026

Practise classifying soils from whole-profile evidence and using profile diagrams to trace transfers and transformations through horizons.

How this is tested

interpret a soil profile diagram to classify soil from visible horizon features
link transfers and transformations in a profile to soil appearance and development

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