Stratification tends to occur in estuaries where fresh water meets salt water.
Puget Sound can be described as an estuary. Objectives Students will predict what happens when fresh and salt water meet. Students will create an experimental model of fresh water flowing into salt water. Students will apply the results from their model to make inferences about data presented photographically. Non Kit Materials tap water paper towels VCR and monitor Vocabulary run-off rainfall that is not absorbed by the soil and eventually reaches surface water bodies.