Identify the particles that make up the structure of soil.

Identification should include

  • soil horizons
  • soil triangle
  • the soil particles
    • sand
    • silt
    • clay
    • organic matter
  • air and water space
  • organisms.

Process/Skill Questions:

  • How can soil particle makeup be determined in a soil sample?
  • What effect does air and water space have on the agricultural productivity of a soil?
  • How can organisms affect soil quality?
  • How does organic matter affect the nutrient- and water-holding capacity of soil?
  • What does color indicate about soil?