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Unit 3: Atomic Structure Time Frame: Oct 5 through Nov 1 Science > Physical Science > Unit 3 Unit Description Utilizing inquiry processes and modeling techniques, students explore current atomic theory. Emphasis will be placed on utilizing the periodic table as a tool to understand periodic trends and chemical nomenclature. Through research and discussion, students will differentiate between fission and fusion and debate the issues relating to nuclear reactions and radiation. Enduring Understandings Within and among systems where parts relate to other parts, input from one system may be output for another. Models are used to think about concepts or processes that may be abstract, not easily observed, or potentially dangerous. Systems tend to change in order to reach stability; changes in surroundings can interrupt stability. Science is an evolving body of knowledge and a process of understanding the world around us. Essential Questions How can systems be interdependent? What can models tell us? Why do stable systems change? Why is science always changing? Student Understandings Knowledge of atomic structure includes identifying subatomic particles and comprehending various models of the structure of the atoms. Students will draw Bohr models, identify implications of the arrangement of the periodic table and explain periodic trends. Students will learn to name compounds and identify ionic and covalent compounds. Students should be able to differentiate between atomic fission and fusion and their end products. GLEs: SI-2, 4, 5, 7, 8, 11, 13; PS-3-10, 12, 15-18; ESS-5, 27 Guiding Questions 1. Can students interpret models of atoms (Thomson’s Plum Pudding Model, Rutherford’s Model, Bohr Model, and Electron Cloud Model)? 2. Can students list the major components of an atom and provide the charge for each? 3. Can students recognize and explain patterns, simple 4. 5. 6. 7. 8. periodic tendencies, and the relationship between placement on the periodic table and bonding? Can students diagram a Bohr model for a given atom? Can students use and interpret simple chemical symbols and formulas that scientists use to represent matter? Can students model or interpret diagrams of simple organic compounds? Can students describe radioactivity? Can students differentiate between atomic fission and fusion? Assessment: Element Quiz, Atomic Theory quiz, Atomic Structure Quiz, Proton, Neutron and Electron Worksheets, Electron Configuration Model, and Chapter Test