Science 10 -  Homework from the previous night was checked and reviewed. Students then began looking at other types of chemical reactions and were introduced to synthesis and decompostion reactions. A planned demonstation did not go as planned so students seen examples of the two reactions in videos. Homework was assigned as well. Students will look at single and double displacement reactions next week followed by a test after that.   Science 9 - Students were taught by boomerang students today. They will be going to the lab on Monday for a lab on mitosis.