Description should include a definition of soil and the role of
- time
- weathering
- minerals
- organic matter
- pore space
- air
- water.
Process/Skill Questions:
- How many years does it take for one inch of soil to form? What factors influence this process?
- What is the role of weathering on rocks and minerals in the soil-formation process?
- How much of the soil is composed of air, how much of water, and how much of minerals?
- What is the composition of organic matter?
- How are the physical and chemical properties of soil related to its fertility?