Lesson Three - Explain the concept of water quality

A. Explain the idea of "water quality"

1. Define good quality drinking water.




2. Define poor quality drinking water.
   
   
   

B.Explain the water quality differences between drinking water and ecosystems

1. Define an ecosystem





2. Define a healthy river.





3. Define an unhealthy river.
   
   
   
   

C. Define these terms

1. Freshwater ecosystems




2. Abiotic and biotic factors




3. Watersheds, surface water and groundwater




4. Biogeochemical cycling




5. Water quality monitoring




6. Environmental chemistry




7. Biological indicator species




8. Water treatment and potable water




9. Pollution