Investigate how these temperature changes can be Graph plotters 1 and controlled. 2 10 2 7/8 3.11 Reaction profiles Use diagrams to show the energy changes during C3.2b, c Technician’s Quick starter (HT) reactions. Homework notes; Show the difference between exothermic and worksheet 1 Worksheets and endothermic reactions using energy profiles. Homework quiz 2; Find out why many reactions start only when energy or Video Presentation a catalyst is added. Technician’s 10 2 7/8 3.12 Energy change of Identify the bonds broken and formed during a chemical C3.2d Quick starter reactions reaction. Homework notes; Consider why some reactions are exothermic and worksheet 1 Worksheets and others are endothermic. Homework quiz 2; Use bond energies to calculate overall energy changes. Presentation 10 2 9/10 3.13 Maths skill: Read scales in integers and using decimals. CM3.2 Practical sheet; Quick starter Recognise and Calculate the energy change during a reaction. Worksheet; Homework use expressions in Calculate energy transferred for comparison. Technician’s notes; worksheet decimal form Presentation Homework quiz 10 2 9/10 3.14 Oxidation and Observe some reactions between metal atoms and C3.3a, b Technician’s starter reduction in terms metal ions. Homework notes; of electrons (HT) Learn to write ionic equations and half equations. (HT) worksheet Practical sheet; Classify half equations as oxidation or reduction. Homework quiz (HT) Worksheet; Presentations 1 and 2 10 2 9/10 3.15 Key concept: Review ion formation. Key Concept Worksheet; starter Electron transfer, Classify half equations as oxidation or reduction. (HT) Presentation Homework oxidation and Review patterns in reactivity. (HT) worksheet C3.3c reduction (HT) Homework quiz Technician’s 10 2 9/10 3.16 Neutralisation of React an acid and an alkali to make a salt. C3.3d Quick starter acids and salt Predict the formulae of salts. Homework notes; production Write balanced symbol equations. worksheet Practical sheet;
Investigate how these temperature changes can be controlled. Graph plotters 1 and 2 10 2 7/8 3.11 Reaction profiles (HT) Use diagrams to show the energy changes during reactions. Show the difference between exothermic and endothermic reactions using energy profiles. Find out why many reactions start only when energy or a catalyst is added. C3.2b, c Technician’s notes; Worksheets 1 and 2; Presentation Quick starter Homework worksheet Homework quiz Video 10 2 7/8 3.12 Energy change of reactions Identify the bonds broken and formed during a chemical reaction. Consider why some reactions are exothermic and others are endothermic. Use bond energies to calculate overall energy changes. C3.2d Technician’s notes; Worksheets 1 and 2; Presentation Quick starter Homework worksheet Homework quiz 10 2 9/10 3.13 Maths skill: Recognise and use expressions in decimal form Read scales in integers and using decimals. Calculate the energy change during a reaction. Calculate energy transferred for comparison. CM3.2 Practical sheet; Worksheet; Technician’s notes; Presentation Quick starter Homework worksheet Homework quiz 10 2 9/10 3.14 Oxidation and reduction in terms of electrons (HT) Observe some reactions between metal atoms and metal ions. Learn to write ionic equations and half equations. (HT) Classify half equations as oxidation or reduction. (HT) C3.3a, b Technician’s notes; Practical sheet; Worksheet; Presentations 1 and 2 starter Homework worksheet Homework quiz 10 2 9/10 3.15 Key concept: Electron transfer, oxidation and reduction (HT) Review ion formation. Classify half equations as oxidation or reduction. (HT) Review patterns in reactivity. (HT) Key Concept C3.3c Worksheet; Presentation starter Homework worksheet Homework quiz 10 2 9/10 3.16 Neutralisation of acids and salt production React an acid and an alkali to make a salt. Predict the formulae of salts. Write balanced symbol equations. C3.3d Technician’s notes; Practical sheet; Quick starter Homework worksheet
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