6.1. Soil Structure and Composition

Try these first

1. 1.

   What are the three types of soil particles?

   Hint

   Think about the size and how they are categorized.

2. 2.

   What is the purpose of pore spaces in soil?

   Hint

   What do plants need to grow?

3. 3.

   What is the size range of sand particles?

   • Less than 2 microns
   • 60-100 microns
   • 2-60 microns

   Hint

   Think about the largest soil particle as you recall their sizes.

4. 4.

   True or False: Clay particles are larger than silt particles.

   • True
   • False

   Hint

   Remember the order of soil particle sizes!

5. 5.

   Analyze the effects of urbanization on soil composition and groundwater recharge.

   Hint

   Consider how human activities change natural landscapes.

6. 6.

   Evaluate the role of soil types in agricultural productivity.

   Hint

   Think about which plants thrive in sandy vs. clay soils.