Chapter 2- Weathering and Soil

Chapter 2- Weathering and Soil

1. Section 1- Minerals and Rocks

   • Using minerals and rocks
     • uses of minerals
     • uses of rocks
   • Producing metals from ores
     • smelting
     • mining
   • Rocks and the rock cycle
     • forming igneous rock
     • forming sedimentary rock
     • forming metamorphic rock
     • pathways of the rock cycle
   • What is a mineral?
     • inorganic solid
     • crystal shape
     • definite chemical composition

2. Section 2 - Rocks and Weathering

   • Weathering and Erosion
   • Mechanical Weathering
   • Chemical Weathering
     • water
     • oxygen
     • acid rain
     • carbon dioxide
     • living organisms
   • Rate of Weathering
     • type of rock
     • climate

3. Section 3 - how soil forms

   • Living organisms and soil
     • forming humus
     • mixing the soil
   • Soil types
     • soil composition
     • soil texture
   • What is soil?
   • The process of soil formation

4. Section 4 - Soil Conservation

   • Soil as a Resource
   • Soil Damage and Loss
     • loss of fertility
     • loss of topsoil
     • soil lost in the dust bowl
   • Soil Conservation

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