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Narrated by your classmates  Marine Pollution Narrated by your classmates 

Ms. B Essential Question: What benefits do you derive from the oceans? How does your behavior (in Chicago) affect the oceans? Give 5 specific examples. ** Leave enough space to answer this essential question at the start of your notes… OR write it down at the beginning make a note in the left column that you will respond in the “summary section” of your CN. ** Objective: SWBAT assess impacts from Marine Pollution.

Ms. B starts & hands-off to Group 1  I review continents vs Ms. B starts & hands-off to Group 1  I review continents vs. countries, major oceans, & intro to marine pollution Describe the term GYRE. http://strangesounds.org/wp-content/uploads/2014/08/Great-Pacific-Garbage-Patch.png

Plastic debris endangers marine life Group 1 Plastic debris endangers marine life Most ocean pollution is non-point source (from inland sources too), as the Clean Water Act significantly reduced discharge of point source pollution. Identify types of “trash” or pollutants & how they got into the ocean Trace the pathway from Chicago to an ocean Plastic degrades very slowly (500 – 1000 yrs) in salt water and sunlight. As it breaks apart, the pollutant becomes even more harmful as organisms mistake it for food. List two other ways trash will leave the ocean surface Describe three other ways plastics are a detriment to the ocean and its inhabitants Discuss measure(s) to combat this problem (think legislation)

Oil Pollution (from spills of all sizes) Group 1 Oil Pollution (from spills of all sizes) 30% of crude oil and natural gas come from deposits under the seafloor. On the graph: *Explain*  read title and clarify with examples Identify the point source contribution(s) Identify the non-point source contribution(s)

Other sources of marine pollution: Group 1 Other sources of marine pollution: Toxic pollutants (define) Give one example (element/chemical) and describe its effect on organisms Bioaccumulation & biomagnification Excess nutrients Source from __________. Identify it as a point source or non-point source “Dead Zones” What organism(s) cause this? Algal bloom “Red Tide” *no need to summarize, just make HOTS ?s & review… cont’d tomorrow *