Lynda Matchullis, BSc specialist, BEd, MEd, is a former classroom science teacher in Manitoba. She is a contributor to Success for All Learners: A Handbook on Differentiating Instruction and author of Senior Years Science Teachers Handbook: A Teaching Resource. She now acts as a divisional consultant for all K–12 subjects in the areas of literacy, numeracy, sustainability, and establishing educational partnerships with the community. Lynda believes a science teacher’s fundamental tasks are to work with colleagues establishing learning targets that are both content-based and skills-based, differentiating instruction, using performance-based assessments, and moderating student work.