|–Warm Up: Write the question & answer choice. Explain why the correct answer is correct & the wrong answers are incorrect (Diagram is not visible; if absent copy from a classmate).
–Partners: Part B: “Model of an Expanding Universe” (p. 31)
–pass back workà discuss grading policy, resubmission of work, strategies for reading & note-taking, test & quiz corrections.
–Extra credit question
–Summary of the Clean Water Act http://www2.epa.gov/laws-regulations/summary-clean-water-act