Topic 1: Foundation
Topic 2: Ecology
Topic 3: Conservation and biodiversity
Topic 4: Water
Topic 5: Land
5.1 Soil
5.2 Agriculture and food
Topic 6: Atmosphere and climate change
Topic 7: Natural resources
Topic 8: Human populations and urban systems
HL lenses
View a summary cheatsheet for 5.1 Soil
5.1A Soil system
5.1B Contribution of soil
5.1C Soil texture
5.1D Soil as a carbon sink
5.1E Soil horizons (HL)
5.1F Soil formation (HL)
5.1G Soil properties (HL)
