IB ESS HL 5.1.20 Soil property analysis Question Bank
Practise IB ESS HL 005.001.020 by applying soil property analysis concepts to exam-style environmental systems questions.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify the relevant environmental system, process or evidence
- apply the correct ESS concept and explain the causal relationship
- evaluate the outcome using ecological, social or management evidence
5.1.20 (HL)—Soil property analysis question 1
[Maximum number: 1]
Clay / \%
Silt / \%
Sand / \%
70
10
20
20
40
40
Table:Composition of soil samples A and B
the soil-texture classification graph context — the soil-texture triangle classifies soils from the proportions of sand, silt and clay. Soil A is marked as clay on the soil-texture classification graph.
the soil-composition table data:
• Soil A — clay 70%; silt 10%; sand 20%.
• Soil B — clay 20%; silt 40%; sand 40%.
the soil-texture classification graph context — the soil-texture triangle classifies soils from the proportions of sand, silt and clay. Soil A is marked as clay on the soil-texture classification graph.
the soil-composition table data:
• Soil A — clay 70%; silt 10%; sand 20%.
• Soil B — clay 20%; silt 40%; sand 40%.
With reference to the soil-texture classification graph and the soil-composition table, determine the classification of Soil B.
loam; [1]
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