Energy, Matter, and Organization: Unit Review

We began class with a reminder that the semester ends next Thursday, January 28.  Students were informed that if they have a current grade of a C or better, they will be able to participate in an extra credit opportunity (the nervous system project) to be explained tomorrow.  Student projects will determine which groups are able to dissect sheep brains next week.  Students with a D or below will work in small groups with me this week to help them catch up.  Students who still have a D or below as of Tuesday next week will continue to catch up on required classwork and will not participate in the dissection lab.  There will be a Unit 2 Final Exam on Thursday (1/28).

Students then had the next 20 minutes to complete the take-home quiz from Friday (only about 1/4 of students in all of my classes used the three-day weekend to complete the quiz).  After the quiz, we reviewed two of the more challenging questions, connecting the path that explains why excess fertilizer used by farmers near the Mississippi River ends up contributing to the dead zone in the Gulf of Mexico.  Links to pictures shown in class, as well as pictures of the white board notes are provided below.

Map of the Gulf of Mexico showing bordering states

Image of the dead zone (red = very little oxygen, blue = normal oxygen) in the Gulf of Mexico

Map of the United States highlighting the location of the Mississippi River (in red)

White Board Class Notes:

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