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CHEMISTRY SCHEMES OF WORK

FORM FOUR 2017

TERM I

REFERENCES:

Secondary Chemistry students book 4 By KLB

Longhorn Secondary Chemistry Form 4 By Longhorn Publishers

Principles of Chemistry Form 4 By P. Muchiri (POC)

|WK |LSN |TOPIC/S-TOPIC |OBJECTIVES |L/ACTIVITIES |L/T AIDS |REFERENCE |REMARKS |

|1 |1-5 |REPORTING AND REVISION OF LAST TERM’S EXAMINATIONS | |

|2 |1 |Energy changes in physical and |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 33-34 | |

| | |chemical processes |to:- |Carrying out experiment table 2.1 |Boiling tubes |Longhorn Chem | |

| | |Exothermic and endothermic |Define exothermic and endothermic reactions using ∆H |(KLB Pg 33) |Thermometer |BK 4 Pg 47-52 | |

| | |reactions |notations |Reading temperature changes ∆T |Glass rod |Gateway Chem Rev. | |

| | | | |Attempting exercise 2.1 |NH4NO3(g) |Pg 161-162 | |

| | | | | |H2O |POC BK 4 Pg 65-68 | |

| |2 |Energy level diagrams |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 34-35 | |

| | |Units for heat and energy and |to:- |Drawing energy level diagrams for |Graph papers |Longhorn Chem | |

| | |symbol |Draw simple energy level diagrams for exothermic and |the processes in exothermic | |BK 4 Pg 47-52 | |

| | | |endothermic processes | | |POC BK 4 Pg 69-71 | |

| |3 |Energy changes |By the end of the lesson the learner should be able |Carrying out an experiment | | | |

| | |Molar heat of fusion and |to:- |Attempting self assessment |Stop watch |KLB BK 4 Pg 36-40 | |

| | |vaporization |Relate joules (J) to KiloJoules (KJ) |exercises |Bunsen burner |Longhorn Chem | |

| | | |Explain fusion and vaporization as evidence of |Discussing latent heat of |Thermometer |BK 4 Pg 54-57 | |

| | | |inter-particles forces |fusion/vaporization |Ice |POC BK 4 Pg 72 | |

| | | | | |Wire gauze | | |

| |4 |Energy Changes in Chemical |By the end of the lesson the learner should be able |Discussing bond breaking and bond | | | |

| | |Processes |to:- |formation |Supervised |KLB BK 4 Pg 41-45 | |

| | | |Explain that heat energy changes in chemical |Bond energies |Practice questions |Longhorn Chem | |

| | | |reactions are due to bond formation and bond breaking|∆H Products - ∆H Reactants | |BK 4 Pg 57-63 | |

| | | | |Calculating enthalpy of formation | |POC BK 4 Pg 76-80 | |

| | | | |of HCl using bond energies | | | |

| |5 |Energy Changes in Chemical |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 33-34 | |

| | |Processes |to:- |Attempting revision exercise and |Beaker |Longhorn Chem | |

| | | |Calculate the heat of reaction between methane and |worked examples |Thermometer |BK 4 Pg 45-46 | |

| | | |chlorine | |Burner |POC BK 4 Pg | |

|3 |1 |Energy changes in physical and |By the end of the lesson the learner should be able |Discussing and writing definitions| | | |

| | |chemical processes |to:- |for: |Beaker |KLB BK 4 Pg 46-50 | |

| | |Types of heat changes |Calculate the heat of reaction |Molar heat of fusion, |Thermometer |Longhorn Chem | |

| | | |Define and explain various types of heat changes |neutralization, formation, |Burner |BK 4 Pg 65-70 | |

| | | |(standard enthalpy and standard conditions) |displacement, combustion and | |POC BK 4 Pg 82 | |

| | | | |solution | | | |

| |2 |Determining enthalpies through |By the end of the lesson the learner should be able | | | | |

| | |experiment |to:- |Working through examples |Supervised practice |KLB BK 4 Pg 50-54 | |

| | | |Determine molar enthalpy of: |Attempting self assessment |Questions |Longhorn Chem | |

| | | |Displacement, Neutralization |exercise | |BK 4 Pg 75 | |

| | | |Writing correct simple thermo chemical equations | | |POC BK 4 Pg 85 | |

| |3&4 |Determining enthalpies through |By the end of the lesson the learner should be able | | | | |

| | |experiment |to:- |Working through examples |Supervised practice |KLB BK 4 Pg 50-54 | |

| | | |Determine molar enthalpy of: |Attempting self assessment |Questions |Longhorn Chem | |

| | | |Displacement, Neutralization |exercise | |BK 4 Pg 75 | |

| | | |Writing correct simple thermo chemical equations | | |POC BK 4 Pg 85 | |

| |5 |Revision |By the end of the lesson the learner should be able |Working through examples | |KLB BK 4 Pg 71-72 | |

| | | |to:- |Attempting self assessment |Supervised practice |Longhorn Chem | |

| | | |Calculate enthalpies using experimental data and |exercise | |BK 4 Pg 74-84 | |

| | | |provided data | | |POC BK 4 Pg 110 | |

|4 |1 |Energy Changes |By the end of the lesson the learner should be able |Discussing the worked examples on |Balance | | |

| | |Hess law of constant heat |to:- |thermo chemical cycles for |Thermometer |KLB BK 4 Pg 60-63 | |

| | |summation |State Hess’ law and carry out related calculations |formation of CO2, CH4, CH3CH2OH |Spirit lamp |Longhorn Chem | |

| | | | |Relation between solution, |Draught shield |BK 4 Pg 85-95 | |

| | | | |hydration and lattice energy |Water |POC BK 4 Pg 93 | |

| | | | | |Ethanol | | |

| | | | | |Tripod stand | | |

| |2 |Energy diagrams and activation |By the end of the lesson the learner should be able | |Lagged beaker | | |

| | |energy |to:- |Sketching energy level diagram for|Thermometer |KLB BK 4 Pg 70-71 | |

| | | |Show graphically the activation energy for exothermic|exothermic and endothermic |Measuring cylinder |Longhorn Chem | |

| | | |and endothermic reactions |reactions |Glass rod |BK 4 Pg 83-84 | |

| | | |Define activation energy | |1g Zn(s) powder |POC BK 4 Pg 94 | |

| | | | | |0.2M CUSO4 | | |

| |3 |Relation between heat of |By the end of the lesson the learner should be able |Drawing energy level diagrams and | | | |

| | |solution, hydration and lattice|to:- |thermo chemical cycles |Worked example |KLB BK 4 Pg 68-70 | |

| | |energy |Define the terms: |Attempting calculations based on; | |Longhorn Chem | |

| | | |Heat of solution |∆HSoln = ∆HLatt + ∆HHyd | |BK 4 Pg 85-95 | |

| | | |Hydration energy | | |POC BK 4 Pg 101 | |

| | | |Lattice energy | | | | |

| |4 |Energy content of common fuels |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 95-98 | |

| | | |to:- |Calculating the heating value of |Charts in energy diagrams and |Longhorn Chem | |

| | | |Name solid, liquid and gaseous fuels |fuels |thermo chemical cycles |BK 4 Pg 70-73 | |

| | | |State criteria for choosing a fuel | | |POC BK 4 Pg 105 | |

| |5 |Pollution of the environment by|By the end of the lesson the learner should be able |Discussing acid oxides, acid rain,| |KLB BK 4 Pg 73-74 | |

| | |common fuels |to:- |stating the measures to reduce |Writing summary notes |Longhorn Chem | |

| | | |Name pollutants formed when hydrocarbon fuels are |pollution | |BK 4 Pg 94-98 | |

| | | |burnt | | |POC BK 4 Pg 106 | |

|5 |1 |Rates of Reaction and |By the end of the lesson the learner should be able |Discussing observation used to | | | |

| | |Reversible Reactions |to:- |measure rate of a reaction |Charts |KLB BK 4 Pg | |

| | |Introduction |Define rate of reaction |Volume of gas, mass of product |Chemical equations |Longhorn Chem | |

| | | |Describe some methods used to measure rates of |Decrease in mass of reactants | |BK 4 Pg 105-112 | |

| | | |reaction |Change of colour | |POC BK 4 Pg 118 | |

| |2 |Collision theory and activation|By the end of the lesson the learner should be able |Discussing activation energy, |Copies of KLB and Longhorn |KLB BK 4 Pg 85-89 | |

| | |energy |to:- |collision theory, review kinetic |students books |Longhorn Chem | |

| | | |Explain the term activation energy |theory | |BK 4 Pg 105-108 | |

| | | | | | |POC BK 4 Pg 120 | |

| |3&4 |Factors affecting rates of |By the end of the lesson the learner should be able | |Na2S2O3 | | |

| | |reaction |to:- |Carrying out demonstrations |Stop watch |KLB BK 4 Pg 83 | |

| | | |Explain the effects of concentration of reactants |Drawing graphs on rate |HCl, White paper |Longhorn Chem | |

| | | |(aqueous reactants), pressure (gaseous), temperature |representation |Beakers |BK 4 Pg 112-114 | |

| | | | | |Stirring rods |POC BK 4 Pg 122 | |

| |5 |Factors affecting rates of |By the end of the lesson the learner should be able | | | | |

| | |reaction |to:- |Experiment |KBr |KLB BK 4 Pg 85-86 | |

| | | |Explain the effects of temperature on rate of |Drawing graphs |AgNO3 |Longhorn Chem | |

| | | |reaction |Class discussion |Large tubes |BK 4 Pg 108-112 | |

| | | |Explain the effect of light on rate of reaction | | |POC BK 4 Pg 123 | |

|6 |1 |Factors affecting rate of |By the end of the lesson the learner should be able | |Conical flask, stop watch, |KLB BK 4 Pg 83-85 | |

| | |reaction |to:- |Experiment |balance, cotton wool, HCl, |Longhorn Chem | |

| | | |Explain the effects of surface area on rate of |Drawing graphs |marble chips, marble powder |BK 4 Pg 114-117 | |

| | | |reaction |Class discussion | |POC BK 4 Pg 129 | |

| |2 |Factors affecting rates of |By the end of the lesson the learner should be able | |Conical flask, stop watch, |KLB BK 4 Pg 85-86 | |

| | |reaction |to:- |Class experiment |balance, cotton wool, HCl, |Longhorn Chem | |

| | | |Explain the effect of catalyst and light on rate of |Self assessment exercise |marble chips, marble powder |BK 4 Pg 117-121 | |

| | | |reaction |Class discussion | |POC BK 4 | |

| | | | | | |Pg 133-135 | |

| |3 |Introduction |By the end of the lesson the learner should be able | |250cm3 beaker | | |

| | |Reversible reactions |to:- |Experiment |White tile |KLB BK 4 Pg 93-95 | |

| | | |State atleast 3 examples of reversible reactions |Attempting self assessment |Stop watch |Longhorn Chem | |

| | | |Define chemical equilibrium |exercise |Na2S2O3 |BK 4 Pg 123-126 | |

| | | | |© Education Plus Agencies |2M HCl |POC BK 4 Pg 137 | |

| | | | | |Graph paper | | |

| |4&5 |Reversible reactions and |By the end of the lesson the learner should be able | |Balance | | |

| | |equilibrium |to:- |Demonstration |Conical flask |KLB BK 4 Pg 93-95 | |

| | | |Describe equilibrium position |Attempting assessment exercise |Cotton wool |Longhorn Chem | |

| | | |Shifting the equilibrium position | |Stop watch |BK 4 Pg 122-126 | |

| | | | | |CaCO3 |POC BK 4 Pg 139 | |

|7 |1 |Effects of changing pressure on|By the end of the lesson the learner should be able | | | | |

| | |equilibrium position |to:- |Class discussion |Boiling tubes |KLB BK 4 | |

| | |Le Chatelier’s principle |Answer almost all questions in the exercise correctly|Writing equations |20V H2O2 |Pg 102-107 | |

| | | |State and explain effects of change in pressure on | |MnO2 powder |Longhorn Chem | |

| | | |equilibrium position | |Balance |BK 4 Pg 130-136 | |

| | | |State Le chatelier’s principle | |Filter paper and funnel |POC BK 4 Pg 141 | |

| |2 |Electro-chemistry |By the end of the lesson the learner should be able |Writing summary notes |Phenolphthalein solution |KLB BK 4 | |

| | |Introduction |to:- |Writing questions and answers to |100cm3 glass |Pg 105-107 | |

| | |(Redox Reaction) |Answer all/most questions in the exercises correctly |revision questions |Beaker |Longhorn Chem | |

| | | | | |White tiles |BK 4 Pg 72-74 | |

| | | | | |2M NaOH |POC BK 4 | |

| | | | | | |Pg 158-161 | |

| |3&4 |Electro-chemistry |By the end of the lesson the learner should be able |Determining oxidation numbers | |KLB BK 4 | |

| | |Introduction |to:- |Writing rules on oxidation number |Group discussion |Pg 113-115 | |

| | |(Redox Reaction) |Explain redox reaction in terms of gain and loss of |Attempting assessment exercises | |Longhorn Chem | |

| | | |electrons | | |BK 4 Pg 147-150 | |

| | | |Identify changes in oxidation numbers during redox | | |POC BK 4 | |

| | | |reactions | | |Pg | |

| |5 |Displacement reaction and redox|By the end of the lesson the learner should be able |Writing redox reactions showing: | |KLB BK 4 | |

| | |reaction |to:- |Metal as reducing agent |Chart showing redox equation |Pg 113-115 | |

| | | |Write balanced redox reactions |Non-metal as oxidizing agent |Half reaction (ionic equation) |Longhorn Chem | |

| | | |Compare oxidizing and reducing power of ions | |for redox |BK 4 Pg 147-150 | |

| | | | | | |POC BK 4 Pg 167 | |

|8 |1 |Electrochemical Cell |By the end of the lesson the learner should be able |Demonstrating experiment | | | |

| | | |to:- |Discussion redox in Zn/Cu cell |2 beakers |KLB BK 4 | |

| | | |Explain the working of an electrochemical cell in |diagram |Filter paper |Pg 116-117 | |

| | | |terms of electron transfer process and ion migration |Writing cell representation and |Cotton wool |Longhorn Chem | |

| | | |(slat bridge) |measuring e.m.f. of various cells |Connecting wires |BK 4 Pg 150-155 | |

| | | | | |Voltmeter |POC BK 4 | |

| | | | | |Cu/ZnFe and their respective |Pg 170-174 | |

| | | | | |sulphate | | |

| |2 |Electrochemical Cell and |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 118 | |

| | |standard electrode potential |to:- |Writing a list of electrochemical |Chart on electrochemical series|Longhorn Chem | |

| | | |Describe the simple hydrogen electrode |series with corresponding | |BK 4 Pg 155-159 | |

| | | |State the standard conditions |electrodes potential | |POC BK 4 | |

| | | | | | |Pg 175-177 | |

| |3&4 |Cell e.m.f. |By the end of the lesson the learner should be able | | | | |

| | |Simple calculation using |to:- |Discussing worked examples of |List of electrode potential and|Longhorn Chem | |

| | |standard electrode potential |Calculate the e.m.f. of a cell using Eθ value |e.m.f. |electrochemical series |BK 4 Pg 152 | |

| | |Eθ values | |Calculating cell e.m.f. in self | |POC BK 4 Pg 179 | |

| | | | |assessment | | | |

| |5 |Electrolysis |By the end of the lesson the learner should be able | | | | |

| | | |to:- |Carry out and experiment |Dilute H2SO4 |KLB BK 4 Pg 122 | |

| | | |Define electrolysis |Attempting exercises |Ammeter |Longhorn Chem | |

| | | |Explain the role of water in electrolysis | |Connecting wire |BK 4 Pg 162 | |

| | | | | |Graphite | | |

|9 |1 |Preferential discharge of ions |By the end of the lesson the learner should be able |Discussing factors affecting | |KLB BK 4 | |

| | | |to:- |preferential discharge of ions |Battery |Pg 122 | |

| | | |State and explain factors that affect preferential |Writing a summary of electrolysis |Carbon electrode |Longhorn Chem | |

| | | |discharge of ions |of aqueous solutions |Connecting wire |BK 4 Pg 168-172 | |

| | | |Write half ionic equations for reactions at | |Bulb |POC BK 4 | |

| | | |electrodes | |Test tube |Pg 190 | |

| |2 |Quantity of electrolysis |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 123 | |

| | | |to:- |Calculating amounts of elements |Worked example |Longhorn Chem | |

| | | |State faraday’s 1st law of electrolysis |discharged in electrolytic | |BK 4 Pg 175 | |

| | | |Q = IT |processes | |POC BK 4 Pg 199 | |

| |3&4 |Application of Electrolysis |By the end of the lesson the learner should be able | | | | |

| | | |to:- |Describe uses of electrolysis |Charts on electro plating |KLB BK 4 | |

| | | |Describe the application of electrolysis | |Mercury cell |Pg 155-156 | |

| | | |Write electrode half ionic equation for the process | |Diaphragm |Longhorn Chem | |

| | | | | | |BK 4 Pg 182 | |

| |5 |Revision Exercise |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 165 | |

| | | |to:- |Attempting revision exercises |Students textbooks |Longhorn Chem | |

| | | |Write correct answers to all/most questions in the | | |BK 4 Pg 187-189 | |

| | | |revision exercises | | |POC BK 4 Pg 212 | |

|10 |1 |Metals |By the end of the lesson the learner should be able | | |KLB BK 4 | |

| | |Occurrence of metal |to:- |Listing names of ores for the |Copies of tables |Pg 168-169 | |

| | |Chief ores of metals |Name the chief ore of some metals (Al, Na, Fe, Zn, |metals | |Longhorn Chem | |

| | | |Cu) | | |BK 4 Pg 195-197, 201, 204, | |

| | | | | | |206 | |

| | | | | | |POC BK 4 Pg 219 | |

| |2&3 |Extraction of Sodium |By the end of the lesson the learner should be able | | | | |

| | | |to:- |Discussing groups of 3-5 and |Chart showing Down’s cell |KLB BK 4 | |

| | | |Describe a suitable method of extraction of sodium |presenting | |Pg 169-173 | |

| | | |Describe and explain the extraction of sodium by |Describing the extraction process | |Longhorn Chem | |

| | | |Down’s Cell using electrolysis process |of Na by electrolysis | |BK 4 Pg 195-196 | |

| | | |Name chief ore of sodium | | |POC BK 4 | |

| | | | | | |Pg 219-225 | |

| |4 |Physical and Chemical |By the end of the lesson the learner should be able | | | | |

| | |properties |to:- |Class discussion and presentation |Group work |KLB BK 4 | |

| | | |Describe the physical and chemical properties of | | |Pg 197-198 | |

| | | |sodium (M.P, B.P, density and thermal conductivity) | | |Longhorn Chem | |

| | | |Explain the chemical properties of sodium | | |BK 4 Pg 218-225 | |

| | | | | | |POC BK 4 | |

| | | | | | |Pg 226-228 | |

| | | | | | | | |

| | | | | | | | |

| |5 |Uses and environmental effects |By the end of the lesson the learner should be able | | |KLB BK 4 | |

| | | |to:- |Research and representation done |Flow charts |Pg 186-190 | |

| | | |State the uses of Na |by groups | |Longhorn Chem | |

| | | |Explain the environmental pollution brought about by |Summary notes taking | |BK 4 Pg 218-225 | |

| | | |Na metal and its by-products | | |POC BK 4 | |

| | | | | | |Pg 228-229 | |

|11 |1 |Aluminium |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 171 | |

| | |Extraction |to:- |Group discussion |Flow chart |Longhorn Chem | |

| | | |Describe the extraction method of Al |Presentation of results | |BK 4 Pg 197-201 | |

| | | |State the chief ore (bauxite) |Summary notes taking | |POC BK 4 Pg 229 | |

| |2&3 |Physical Properties |By the end of the lesson the learner should be able | | |KLB BK 4 | |

| | | |to:- |Write the physical properties of |Table 5.9 (Longhorn) |Pg 182-183 | |

| | | |Describe and explain physical properties of aluminium|aluminium, M.P, B.P, density and | |Longhorn Chem | |

| | | | |thermal conductivity | |BK 4 Pg 215 | |

| | | | | | |POC BK 4 Pg 232 | |

| |4 |Chemical Properties and uses of|By the end of the lesson the learner should be able |Listing atleast 3 major uses of | |KLB BK 4 | |

| | |its alloys |to:- |aluminium and its alloys |Flow chart |Pg 186-190 | |

| | | |State and explain the various uses of aluminium |Relate uses of alloys to | |Longhorn Chem | |

| | | | |properties | |BK 4 Pg 215-225 | |

| | | | | | |POC BK 4 Pg 234 | |

| |5 |Iron |By the end of the lesson the learner should be able | | | | |

| | |Extraction |to:- |Group discussions and |Charts showing blast furnace |KLB BK 4 Pg 169 | |

| | | |Describe the suitable method of extracting Iron |presentations | |Longhorn Chem | |

| | | |Name the chief ore of iron | | |BK 4 Pg 195 | |

|12 |1 |Physical Properties |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 215 | |

| | | |to:- |Writing the physical properties of|Table 5.9 (Longhorn) |Longhorn Chem | |

| | | |Describe and explain the physical properties of iron |iron; M.P, B.P, density | |BK 4 Pg 182-183 | |

| | | | | | |POC BK 4 | |

| | | | | | |Pg 239-242 | |

| |2&3 |Chemical Properties |By the end of the lesson the learner should be able |Listing atleast 3 major uses of | | | |

| | | |to:- |iron and its alloys |Teacher made flow chart |KLB BK 4 | |

| | | |State and explain various uses of iron |Writing respective chemical | |Pg 186-190 | |

| | | | |equations | |Longhorn Chem | |

| | | | |Relate uses of alloys to | |BK 4 Pg 218-228 | |

| | | | |properties | |POC BK 4 | |

| | | | | | |Pg 238 | |

| |4 |Environmental Pollution of Iron|By the end of the lesson the learner should be able | | |KLB BK 4 | |

| | | |to:- |Discussing environmental effects |Group discussion and |Pg 197 | |

| | | |State and explain any environmental pollution caused |of iron and its by products |presentations |Longhorn Chem | |

| | | |by iron and its by products | | |BK 4 Pg 226-227 | |

| | | | | | |POC BK 4 | |

| | | | | | |Pg 240 | |

| |5 |Zinc |By the end of the lesson the learner should be able |Describe froth floatation and | |KLB BK 4 | |

| | |Extraction |to:- |roasting |Flow chart of zinc |Pg 177-178 | |

| | | |Describe the concentration of the ore by froth |Writing chemical equation for the | |Longhorn Chem | |

| | | |floatation |extraction of zinc | |BK 4 Pg 204 | |

| | | |Describe the reduction of the ore | | |POC BK 4 Pg 249 | |

|13 |1&2 |Physical and Chemical |By the end of the lesson the learner should be able |Writing the physical properties of| |KLB BK 4 | |

| | |properties and uses |to:- |zinc; M.P, B.P, density, thermal |Flow chart |Pg 186 | |

| | | |Describe and explain physical properties of zinc |conductivity | |Longhorn Chem | |

| | | |State and explain various uses of zinc |List major uses of zinc and its | |BK 4 Pg 218 | |

| | | | |alloys | |POC BK 4 | |

| | | | | | |Pg 252 | |

| |3 |Environmental Effects |By the end of the lesson the learner should be able | | |KLB BK 4 | |

| | | |to:- |Discussing in groups and |Group presentation |Pg 197 | |

| | | |State and explain any environmental effects caused by|presenting findings in class | |Longhorn Chem | |

| | | |zinc and its by-products | | |BK 4 Pg 226 | |

| | | | | | |POC BK 4 | |

| |4 |Copper |By the end of the lesson the learner should be able | | |KLB BK 4 | |

| | |Extraction |to:- |Discuss froth floatation |Flow chart |Pg 181-182 | |

| | | |Describe and explain the concentration of the ore by |Write chemical equations for | |Longhorn Chem | |

| | | |froth floatation |reactions in the reduction | |BK 4 Pg 226 | |

| | | |Describe the reduction of the ore | | |POC BK 4 Pg 244 | |

| |5 |Physical and Chemical |By the end of the lesson the learner should be able | | | | |

| | |Properties of Copper and uses |to:- |Writing uses of copper, physical |Making notes |KLB BK 4 Pg 186 | |

| | | |Describe the physical properties of copper |and chemical properties | |Longhorn Chem | |

| | | |State and explain various uses of copper | | |BK 4 Pg 218 | |

| | | | | | |POC BK 4 | |

| | | | | | |Pg 247 | |

|14-15 |1-5 |KCSE Format: Emphasize on |By the end of the lesson the learner should be able | | | | |

| | |acids, bases and salts. |to:- |KCSE sample papers |Group discussion | | |

| | |Energy changes in physical and |Writing 3 exam papers |Top Mark Rev. Chem | | | |

| | |chemical processes |Paper 1 (theory) |Gateway Chem. Rev | | | |

| | |Rates of reaction and |Paper 2 (theory) |Pg 261 | | | |

| | |electrochemistry |Paper 3 (practical) | | | | |

CHEMISTRY SCHEMES OF WORK

FORM FOUR 2017

TERM II

REFERENCES:

Secondary Chemistry students book 4 By KLB

Longhorn Secondary Chemistry Form 4 By Longhorn Publishers

Principles of Chemistry Form 4 By P. Muchiri (POC)

|WK |LSN |TOPIC/S-TOPIC |OBJECTIVES |L/ACTIVITIES |L/T AIDS |REFERENCE |REMARKS |

|1 |1-5 |REPORTING AND REVISION OF LAST TERM’S EXAMINATIONS | |

|2 |1 |Metals |By the end of the lesson the learner should be able |Writing notes on air pollution, | |KLB BK 4 | |

| | |Copper |to:- |water, land, noises |Group presentation |Pg 197-198 | |

| | |Pollution effects of copper |Describe the effects of the industrial production |Describe techniques on reducing | |Longhorn Chem | |

| | |Extraction process |processes of copper on the environment |pollution effects | |BK 4 Pg 226- | |

| | | | | | |POC BK 4 | |

| | | | | | |Pg 249 | |

| |2 |Summary Notes |By the end of the lesson the learner should be able |Writing own summary notes | |Use revision books | |

| | |Assessment test revision |to:- |Answers to assessment tests, |Group presentation |Top Mark | |

| | |exercises |Briefly describe concentration , reduction and |revision exercises | |Gateway Chem | |

| | | |purification | | |Principles of Chem | |

| |3&4 |Radioactivity |By the end of the lesson the learner should be able |Revising isotopes by giving | |KLB BK 4 Pg | |

| | |Stability of Isotopes of |to:- |examples |Class discussion |Longhorn Chem | |

| | |Elements |Define radioactivity, half-life, radio-isotopes and |Defining RAM. Nuclides and |Making notes |BK 4 Pg 283 | |

| | | |nuclides |distinction between nuclides and | |POC BK 4 | |

| | | | |isotopes | |Pg 325 | |

| |5 |Types of Radioactivity and |By the end of the lesson the learner should be able |Class discussion on the types of | |KLB BK 4 | |

| | |Radiations |to:- |radiations |Charts |Pg 210-212 | |

| | | |State types of radioactivity |Emphasize on the change in mass | |Longhorn Chem | |

| | | |Name the particles emitted during radioactive decay |and symbols of each types of | |BK 4 Pg 285-288 | |

| | | |and state their properties |radiation | |POC BK 4 | |

| | | | | | |Pg 322-325 | |

|3 |1&2 |Radioactive Decay and half-life|By the end of the lesson the learner should be able |Ensure the learner draws graphs | |KLB BK 4 | |

| | | |to:- |Explain the exponential nature of |Graph papers |Pg 288-291 | |

| | | |Carry out simple calculations involving half-life |the curve and determine half-life | |Longhorn Chem | |

| | | | |from curve | |BK 4 Pg 289 | |

| | | | | | |POC BK 4 | |

| | | | | | |Pg 246 | |

| |3 |Nuclear reaction and |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 213 | |

| | |radioactive decay series |to:- |Write and balance nuclear |Textbooks |Longhorn Chem | |

| | | |Write balanced nuclear equations |equations | |BK 4 Pg 292-295 | |

| |4 |Nuclear fission and fusion |By the end of the lesson the learner should be able | | |KLB BK 4 | |

| | | |to:- |Class discussion |Charts and pictures |Pg 243-245 | |

| | | |Distinguish between nuclear fission and fusion | | |Longhorn Chem | |

| | | | | | |BK 4 Pg 296 | |

| | | | | | |POC BK 4 Pg 325 | |

| |5 |Applications and dangers of |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 243 | |

| | |radioactivity |to:- |Class discussion |Manilla paper |Longhorn Chem | |

| | | |State the uses of radio-isotopes |Group discussion |Felt pens |BK 4 Pg 300 | |

| | | |State dangers associated with radioactivity | | |POC BK 4 | |

| | | | | | |Pg 340-342 | |

|4 |1 |Revision Questions |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 243 | |

| | | |to:- |Group work |KCSE past papers |Longhorn Chem | |

| | | |Answer questions on the topic |Revision questions |Revision questions |BK 4 Pg 301 | |

| | | | | | |POC BK 4 | |

| | | | | | |Pg 340-342 | |

| |2 |Revision |By the end of the lesson the learner should be able |Form 4 key topics to be handled in| | | |

| | |Identification of key revision |to:- |revision |KCSE revision past papers |KLB BK 4 | |

| | |areas |Take part in identification of key revision areas |Organic chemistry |Revision materials |Longhorn Chem | |

| | | | |Electro chemistry | |BK 4 | |

| | | | |Rates of reaction | |POC BK 4 | |

| | | | |Energy changes | | | |

| |3-5 |Revision |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 227 | |

| | |Organic Chemistry |to:- |Class discussion and class |Use of flow charts and revision|Longhorn Chem | |

| | | |Revise through the topic both I and II |presentations |papers |BK 4 Pg 249-253 | |

|5 |1-5 |Revision |By the end of the lesson the learner should be able | | |KLB BK 4 Pg 227 | |

| | |Organic Chemistry |to:- |Class discussion and class |Use of flow charts and revision|Longhorn Chem | |

| | | |Revise through the topic both I and II |presentations |papers |BK 4 Pg 249-253 | |

|6-7 |1-5 |Revision |By the end of the lesson the learner should be able | | | | |

| | |Electrochemistry |to:- |Writing questions and answers to |Flow charts and revision papers|KCSE past papers | |

| | | |Identify all areas of difficulty in the topic and be |revision exercises | |Past papers (District Mock | |

| | | |able to solve the questions involved | | |papers) | |

|8-9 |1-5 |Revision |By the end of the lesson the learner should be able | | | | |

| | |Rates of Reaction |to:- |Writing questions and answers to |Revision papers |KCSE past papers | |

| | | |Identify all the areas of difficulty in the topic and|revision exercises | |Past papers (District Mock | |

| | | |be able to solve the difficult areas | | |papers) | |

|10-11 |1-5 |Revision |By the end of the lesson the learner should be able |Drawing energy level diagrams | | | |

| | |Energy Changes |to:- |Practicals |Revision papers |KCSE past papers | |

| | | |Identify problems in the topic | | |Past papers (District Mock | |

| | | |Give possible solutions to the problems | | |papers) | |

|12 |1-5 |Revision |By the end of the lesson the learner should be able | | | | |

| | |Practicals |to:- |Class experiments |Laboratory apparatus for |KCSE past papers | |

| | | |Carry out experiments to collect data and analyze it | |respective experiment |Chemistry manual | |

| | | |correctly (Titration, quantitative analysis) | | | | |

|13-14 | |EXAMINATIONS | |

CHEMISTRY SCHEMES OF WORK

FORM FOUR 2012

TERM III

REFERENCES:

Secondary Chemistry students book 4 By KLB

Longhorn Secondary Chemistry Form 4 By Longhorn Publishers

Principles of Chemistry Form 4 By P. Muchiri (POC)

|WK |LSN |TOPIC/S-TOPIC |OBJECTIVES |L/ACTIVITIES |L/T AIDS |REFERENCE |REMARKS |

|1-2 |1-5 |Opening |By the end of the lesson the learner should be able | | | | |

| | |Revision of Form 1 Topics |to:- |Class discussion |Past Papers |KCSE Past Papers | |

| | | |Revise through the form 1 syllabus in the preparation| |Revision Books | | |

| | | |for KCSE | | | | |

|3-4 |1-5 |Revision of Form 2 Topics |By the end of the lesson the learner should be able | |KLB BK 2 | | |

| | | |to:- |Class discussion |Longhorn Chem BK 2 |KCSE Past Papers | |

| | | |Revise through the form 2 syllabus in the preparation|Group discussion |Principles of chem | | |

| | | |for KCSE |Practicals |BK 2 | | |

|5-6 |1-5 |Revision of Form 3 Topics |By the end of the lesson the learner should be able | | | | |

| | | |to:- |Class discussion |KLB BK 3 |KCSE Past Papers | |

| | | |Revise through the form 3 syllabus in the preparation|Group discussion |Longhorn Chem BK 3 |Revision Books | |

| | | |for KCSE |Practicals | | | |

|7-9 |1-5 |Revision of Form 4 Topics |By the end of the lesson the learner should be able | | | | |

| | |(Form 4 Work) |to:- |Class discussion |Past Papers |KCSE Past Papers | |

| | | |Revise through the form 4 syllabus in the preparation|Group discussion |Revision Books |Revision Books | |

| | | |for KCSE |Practicals | | | |

| | |KCSE EXAMINATIONS | |

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