Science 10 (Periods 1 & 3) - Watched a video on balancing equations. Students continued working on balancing equations worksheet. There will be a short quiz tomorrow covering balancing equations to gauge student progress with this topic. Period 6 was at an assembly today and will view the video tomorrow and have their quiz on Wednesday.   Science 9 - Students were introduced to cell division today and the various phases of mitosis. Students were given some homework questions and will be in the lab later this week examining mitosis in prepared slides.