1. Thought Provoking Questions
What wetland type would you call an area that has freshwater and saltwater mixing?
What are some of the causes of groundwater pollution?
Where does most water in the atmosphere come from?
What is a macroinvertebrate? What do they tell us?
What force is responsible for a stream flowing?
If a river's gradient becomes more flat…. what effect would that have on the deposition?

2. answer with a partner:
What is a cone of depression?
What is another word for the “zone of saturation”?
What is transpiration?
List 3 materials that are permeable.
What is an artesian well?
Give 2 examples of nonpoint pollution.
What is an unconfined aquifer?
What is porosity?