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Download Year 9 Chemical Sciences Program Term 3 Course 2 2017
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Year 9 Science Course 2 Term 3: Chemical Sciences Text: Oxford Science 9, Helen Silvester Chemical Sciences Content Descriptions All matter is made of atoms that are composed of protons, neutrons and electrons; natural radioactivity arises from the decay of nuclei in atoms. (ACSSU177) describing and modelling the structure of atoms in terms of the nucleus, protons, neutrons and electrons comparing the mass and charge of protons, neutrons and electrons describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms Chemical reactions involve rearranging atoms to form new substances; during a chemical reaction mass is not created or destroyed. (ACSSU178) identifying reactants and products in chemical reactions modelling chemical reactions in terms of rearrangement of atoms describing observed reactions using word equations considering the role of energy in chemical reactions recognising that the conservation of mass in a chemical reaction can be demonstrated by simple chemical equations Chemical reactions, including combustion and the reactions of acids, are important in both non-living and living systems and involve energy transfer. (ACSSU179) investigating reactions of acids with metals, bases, and carbonates investigating a range of different reactions to classify them as exothermic or endothermic recognising the role of oxygen in combustion reactions and comparing combustion with other oxidation reactions comparing respiration and photosynthesis and their role in biological processes describing how the products of combustion reactions affect the environment Wk 1 2 3 Topic Atoms: Unit 7.1 & 7.2 Atomic and Mass number: Unit 7.3 Formation of Ions: Unit 7.4 & 7.5 Resources and Experiments Assessment and Homework Check Your Learning 7.1 & 7.2 Content Activities Define atomic theory Describe the evidence that supports the atomic theory Explain why theories like the atomic theory develop over time Define electrons, Thomson plum pudding model, nucleus, protons and neutrons Describe the Rutherford model of an atom Relate technological developments with the development of the Rutherford model of an atom Define mass number and periodic table Describe how the elements are ordered on the periodic table Calculate mass number from the number of protons and neutrons Determine the number of electrons in an atom from the number of protons Explain the difference between atomic number and mass number Define electron shells, Bohr model, electron configuration, shell diagram and emission spectrum Describe the Bohr model of an atom Explain why electrons hells are filled from the insideout Relate emission spectra to movement of electrons between shells Draw shell diagrams for the first 20 elements of the periodic table Define ion, anion and cation Relate the number of electrons in the valence shell to whether the atom will become an anion or cation Calculate the charge of an ion 7.1 History of the Atom worksheet 7.1 Interactive Activity: History of Chemistry Weblink: Atomic Theory time line 7.2 The Structure of Atoms worksheet 7.2 Interactive: The atom 7.2 video: inside an atom Weblink: BBC bitesize atoms and isotopes 7.3 Atoms are all about mass worksheet 7.3 Interactive: Elements and compounds Scientific Eye video: Elements Weblink: Build an atom Mass and Atomic Number worksheet Challenge 7.1: ratio of atoms in a compound. Challenge 7.2A: How can you tell what’s inside Challenge 7.2B: Rutherford model of the atom OS9 Calculating relative atomic mass Check Your Learning 7.3 7.4 Arranging electrons worksheet 7.4 Interactive: Electron Configuration 7.4 video: flame test Electron configuration of the first 20 elements Electron Shell diagrams worksheet 7.5 Atoms form ions worksheet Formation of ions and ionic compounds booklet OS9, p163 Testing with pH paper. OS9, p163 Using plants to create an indicator. Check Your Learning 7.4 & 7.5 Revise for Test 4 5 6 Ionic compounds Conserving Mass: Unit 8.1 To understand that ionic compounds form from ions and have an overall neutral charge To name ionic compounds To be able to calculate and write the correct chemical formulae of ionic compounds To know the properties of ionic compounds Define reactants and products Describe the law of conservation of mass Describe the purpose of word equations Provide examples of word equations Describe the differences between word and chemical equations List the information that is found in a balanced Balancing chemical equation Equations: Explain why a chemical equation must be balanced Unit 8.2 & 8.3 Balance chemical equations Continue working through ionic compounds booklet (no poly atomic ions) Pearson Science 9 activity: making Ionic compounds Test revision 8.1 Conservation of mass worksheet Mid topic test Test review Experiment 8.1: Comparing mass in chemical reactions Challenge 8.2: Modelling Chemical equations Challenge 8.2: Modelling Chemical equations Experiment 8.3: Energy changes Mid Topic test: Atoms and ionic compounds (10%) 8.2 Balancing Chemical Equations worksheet Weblink: Fundamental Chemical Concepts 8.3 Exothermic and Endothermic equations worksheet 8.3 video: Exothermic reactions Weblink: Endothermic reactions 7 8 9 Acids and Bases: Unit 8.4 & 8.5 Acids, bases and metals: Unit 8.6 Revision and Test Define alkalis, alkaline, indicator, litmus paper, universal indicator, pH scale and neutral Describe the characteristics of acidic and basic substances Provide examples of acids and bases Explain the structure of the pH scale – 7 is neutral, < 7 is acidic and > 7 is basic Relate the colour of litmus paper in acids 9red) and bases (blue) Use universal indicator and litmus paper to determine the pH of a substance Define neutralisation reaction Describe the key characteristics of neutralisation, acid-metal carbonate and bicarbonate reactions Explain how the oceans are becoming more acidic Identify neutralisation and acid-metal carbonate and bicarbonate reactions by the characteristic combinations of reactants and products Define corrosion Describe the key characteristics of an acid with a metal Provide examples of uses of acid-metal reactions Describe the processes in corrosion of a metal Identify acid-metal reactions by the characteristic combinations of reactants and products Revise skills and content learned during term 3 What is an acid? Worksheet What is a base? Worksheet Acids and bases all around us worksheet 8.4 Acid and Base Reactions worksheet Acids and bases: writing word equations worksheet Acids and bases balancing equations worksheet 8.4 Interactive: pH of common substances 8.5 Neutralisation reactions worksheet Weblink: pH acids and bases Challenge 8.4: Testing with pH paper Experiment 8.4: Using plants to make indicators Challenge 8.5: Making sherbet Experiment 8.5: Neutralisation reactions 8.6 Acid and metals reactions worksheet 8.6 video: Ask a scientist 8.6 video: Reactivity of metals Chemistry revision booklet Chapter 8 Flashcard Gallery Highlighting and Annotating Equations. Creating quizzes Topic Test: Chemical Reactions (10%) 10 Oxidation Reactions; Units 8.7 & 8.8 o Define oxidised, oxidation reaction, metal oxide and Balancing Combustion Reactions acidic oxides worksheet o Describe the key characteristic of oxidation reactions Combustion Equation worksheet o Provide examples of oxidation reactions in nature Combustion worksheet o Relate oxidation reactions with exothermic reactions 8.7 Oxidation reactions worksheet • Identify oxidation reactions by the characteristic combinations of Reaction of oxygen with Weblink: reactants and products metals 8.8 Combustion reactions worksheet 8.8 video: Testing for Gases Combustion of Hydrogen (demo) Experiment 8.7: Oxidation of steel wool Challenge 8.8: Combustion and candles Assessment Outline Assessment Type Title Weighting Mid-topic Test Elements & Compounds 10% End of Topic Test Chemical Reactions 10%