Explanation should include water located below the surface of the earth. Sources may include
- zone of aeration
- zone of saturation
- water table
- aquifer.
Process/Skill Questions:
- How does water move below the surface of the earth?
- How long can water remain underground?
- How does the permeability of the materials through which groundwater flows affect the rate of movement into and out of areas of recharge and discharge?
- What is a recharge area and a discharge point?