Science 10 -  Students went over their homework from the previous night and then worked on a few new velocity problems. No homework for tonight. Students will be starting to look at position time graphs tomorrow.   Science 9 - Students learned about the nitrogen cycle today in class. They were given an opportunity to work on some questions together as a class as there was some confusion with the nitrogen cycle. Students do not have any homework for tonight and will be looking at pesticides and bioamplification tomorrow.