Physics 122 Physics Lab (April 19 - 21) Physics 112 Review for Thursday's Test Updated Notes: lenses_notes_-_daily.pdf Astronomy 120 Chapter 11: Classifying Stars See notes taken in class for assigned questions. Math 9 Chapter 7.6: Rotational Symmetry See last page of notes for HW: section_7._6_rotations_and_rotaional_symmetry.pdf