Mathematics This past week, we worked on reviewing some of the concepts from our scale factor and enlargements and reductions unit. This was capped off by an assignment (that says unit exam) for the concepts. This assignment was based on past PAT questions and is due on Monday. For class 9A, we also started on reflectional symmetry and had a textbook assignment (pages 357-359) that we were to complete. 9E will take these notes and work on this early in the week between January 15-19. This week, we will look at rotational symmetry and order of rotation (How many times does a shape line up with itself when rotated a full 360 degrees? For each time it lines up, we increase it's order of rotation by 1. A shape that only overlaps after a full rotation is said to have no rotational symmetry (you can never have an order of rotation of 1)). We will also have a quiz on Thursday about symmetry and flips, slides, and rotations. Science To start the term, we reviewed mixtures (homogeneous and heterogeneous) with the class. We also outlined what a chemical and physical reaction are. We will perform a demo a day to determine if we have mastered what each thing is. This will be done for 10 days and will count as a quiz. To cap off the week, we worked on the history of the atom and atoms, compounds, and molecules. The Paper atoms, compounds, and molecules sheet is due on Monday. With the history of the atom, we are working on putting the history down in a creative way (memes, poems, tweets, texts, etc.) and will be presenting these on Tuesday. We will also be looking at the law of conservation of mass and the periodic table in the coming days. For the law of conservation of mass, we will need pop bottle (600 mL) with the caps. Anyone that has some of these, please bring them in.
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Mr. GordonMath/ Science 9 Archives
June 2019
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