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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 1-2 |
METALS
|
Chemical Properties I - Reaction with Air
Chemical Properties II - Reaction with Water Chemical Properties III - Reaction with Chlorine |
By the end of the
lesson, the learner
should be able to:
Investigate metal reactions with air and oxygen - Write balanced equations for metal oxidation - Compare reactivity patterns - Explain tarnishing and oxide formation Test metal reactions with cold water and steam - Arrange metals by reactivity - Explain aluminium's apparent unreactivity - Write chemical equations for reactions |
Experiment 5.1: Heat metals in air - sodium, aluminium, zinc, iron, copper
- Observe color changes and products - Record observations in Table 5.3 - Write oxidation equations Experiment 5.2: Test metals with cold water and steam - Use Table 5.4 for observations - Test solutions with indicators - Arrange metals in reactivity order |
Deflagrating spoons, metal samples (Na, Al, Zn, Fe, Cu), Bunsen burners, safety equipment
Metal samples, cold water, steam generator, test tubes, universal indicator, safety equipment Chlorine gas, gas jars, metal samples, tongs, deflagrating spoons, fume cupboard, safety equipment |
KLB Secondary Chemistry Form 4, Pages 152-154
KLB Secondary Chemistry Form 4, Pages 154-156 |
|
| 1 | 3 |
METALS
|
Chemical Properties IV - Reaction with Acids
Uses of Metals I - Sodium and Aluminium |
By the end of the
lesson, the learner
should be able to:
Test metal reactions with dilute and concentrated acids - Compare reaction patterns - Write chemical equations - Explain passivation effects |
Experiment 5.4: Test metals with various acids - HCl, HNO₃, H₂SO₄
- Use Table 5.5 for systematic recording - Observe gas evolution - Discuss passivation |
Various acids (dilute and concentrated), metal strips, test tubes, gas collection apparatus, safety equipment
Charts showing metal applications, alloy samples, aircraft parts, cooking vessels |
KLB Secondary Chemistry Form 4, Pages 157-158
|
|
| 1 | 4 |
METALS
|
Uses of Metals II - Zinc, Copper and Iron
Steel Types and Alloys |
By the end of the
lesson, the learner
should be able to:
Explain galvanization process - Describe copper electrical applications - Compare iron, steel, and cast iron uses - Analyze alloy compositions and properties |
Study galvanization and rust prevention
- Copper in electrical applications - Different types of steel and their compositions - Alloy property comparisons |
Galvanized sheets, copper wires, steel samples, alloy composition charts, brass and bronze samples
Steel samples with different compositions, carbon content charts, specialized tools, stainless steel items |
KLB Secondary Chemistry Form 4, Pages 159-161
|
|
| 1 | 5 |
METALS
ORGANIC CHEMISTRY II ORGANIC CHEMISTRY II ORGANIC CHEMISTRY II ORGANIC CHEMISTRY II |
Environmental Effects of Metal Extraction
Introduction to Alkanols and Nomenclature Isomerism in Alkanols Laboratory Preparation of Ethanol Industrial Preparation and Physical Properties |
By the end of the
lesson, the learner
should be able to:
Identify environmental impacts of mining - Explain pollution from metal extraction - Describe waste management strategies - Discuss NEMA regulations in Kenya |
Analysis of mining environmental impact
- Air, water, and land pollution from extraction - Waste management and slag utilization - NEMA role and regulations |
Environmental impact case studies, pollution images, NEMA regulation documents, waste management examples
Molecular models, Table 6.1 and 6.2, alkanol structure charts, student books Isomer structure charts, molecular models, practice worksheets, student books Sugar, yeast, warm water, conical flask, delivery tube, lime water, thermometer Table 6.3, industrial process diagrams, ethene structure models, property comparison charts |
KLB Secondary Chemistry Form 4, Pages 161-162
|
|
| 2 | 1-2 |
ORGANIC CHEMISTRY II
|
Chemical Properties of Alkanols I
Chemical Properties of Alkanols II Uses of Alkanols and Health Effects Introduction to Alkanoic Acids Laboratory Preparation of Ethanoic Acid Physical and Chemical Properties of Alkanoic Acids |
By the end of the
lesson, the learner
should be able to:
Test reactions of ethanol with various reagents - Write equations for ethanol reactions - Identify products formed - Explain reaction mechanisms Prepare ethanoic acid by oxidation - Write equations for preparation - Set up oxidation apparatus - Identify product by testing |
Experiment 6.2: Test ethanol with burning, universal indicator, sodium metal, acids
- Record observations in Table 6.4 - Write balanced equations - Discuss reaction types Experiment 6.3: Oxidize ethanol using acidified KMnO₄ - Set up heating and distillation apparatus - Collect distillate at 118°C - Test product properties |
Ethanol, sodium metal, universal indicator, concentrated H₂SO₄, ethanoic acid, test tubes
Acidified potassium chromate/manganate, ethanoic acid, concentrated H₂SO₄, heating apparatus Charts showing alkanol uses, health impact data, methylated spirit samples, discussion materials Alkanoic acid structure charts, Table 6.5 and 6.6, molecular models, student books Ethanol, KMnO₄, concentrated H₂SO₄, distillation apparatus, thermometer, round-bottom flask 2M ethanoic acid, universal indicator, Mg strip, Na₂CO₃, NaOH, phenolphthalein, test tubes |
KLB Secondary Chemistry Form 4, Pages 173-175
KLB Secondary Chemistry Form 4, Pages 179-180 |
|
| 2 | 3 |
ORGANIC CHEMISTRY II
|
Esterification and Uses of Alkanoic Acids
Introduction to Detergents and Soap Preparation |
By the end of the
lesson, the learner
should be able to:
Explain ester formation process - Write esterification equations - State uses of alkanoic acids - Prepare simple esters |
Complete esterification experiments
- Study concentrated H₂SO₄ as catalyst - Write general esterification equation - Discuss applications in food, drugs, synthetic fibres |
Ethanoic acid, ethanol, concentrated H₂SO₄, test tubes, heating apparatus, cold water
Castor oil, 4M NaOH, NaCl, evaporating dish, water bath, stirring rod, filter paper |
KLB Secondary Chemistry Form 4, Pages 182-183
|
|
| 2 | 4 |
ORGANIC CHEMISTRY II
|
Mode of Action of Soap and Hard Water Effects
Soapless Detergents and Environmental Effects |
By the end of the
lesson, the learner
should be able to:
Explain soap molecule structure - Describe cleaning mechanism - Investigate hard water effects - Compare soap performance in different waters |
Study hydrophobic and hydrophilic ends
- Demonstrate micelle formation - Test soap in distilled vs hard water - Observe scum formation - Write precipitation equations |
Soap samples, distilled water, hard water (CaCl₂/MgSO₄ solutions), test tubes, demonstration materials
Flow charts of detergent manufacture, Table 6.9, environmental impact data, sample detergents |
KLB Secondary Chemistry Form 4, Pages 186-188
|
|
| 2 | 5 |
ORGANIC CHEMISTRY II
|
Introduction to Polymers and Addition Polymerization
Addition Polymers - Types and Properties Condensation Polymerization and Natural Polymers |
By the end of the
lesson, the learner
should be able to:
Define polymers, monomers, and polymerization - Explain addition polymerization - Draw polymer structures - Calculate polymer properties |
Study polymer concept and terminology
- Practice drawing addition polymers from monomers - Examples: polyethene, polypropene, PVC - Calculate molecular masses |
Polymer samples, monomer structure charts, molecular models, calculators, polymer formation diagrams
Various polymer samples, structure identification exercises, calculation worksheets, Table 6.10 Nylon samples, rubber samples, condensation reaction diagrams, natural polymer examples |
KLB Secondary Chemistry Form 4, Pages 191-195
|
|
| 3 | 1-2 |
ORGANIC CHEMISTRY II
RADIOACTIVITY |
Polymer Properties and Applications
Comprehensive Problem Solving and Integration Introduction, Nuclear Stability and Types of Radioactivity Types of Radiation and Their Properties Radioactive Decay and Half-Life Concept Half-Life Calculations and Problem Solving |
By the end of the
lesson, the learner
should be able to:
Compare advantages and disadvantages of synthetic polymers - State uses of different polymers - Discuss environmental concerns - Analyze polymer selection Define nuclide, isotope, and radioisotope - Compare nuclear vs chemical reactions - Explain neutron/proton ratios - Distinguish natural from artificial radioactivity |
Study Table 6.10 - polymer uses
- Advantages: strength, lightness, moldability - Disadvantages: non-biodegradability, toxic gases - Application analysis Q/A: Review atomic structure from Form 2 - Study Table 7.1 - nuclear vs chemical reactions - Analysis of neutron/proton ratios and nuclear stability - Discussion on natural vs artificial radioactivity |
Table 6.10, polymer application samples, environmental impact studies, product examples
Comprehensive problem sets, past examination papers, calculators, organic chemistry summary charts Periodic table, atomic structure charts, Table 7.1, nuclear stability diagrams Radiation type charts, penetration diagrams, electric field illustrations, safety equipment charts Graph paper, Table 7.2 data, calculators, decay curve examples, half-life data table Calculators, comprehensive problem sets, worked examples, isotope half-life comparison tables |
KLB Secondary Chemistry Form 4, Pages 200-201
KLB Secondary Chemistry Form 4, Pages 199-201 |
|
| 3 | 3 |
RADIOACTIVITY
|
Nuclear Reactions and Equations
Radioactive Decay Series and Sequential Reactions Nuclear Fission and Chain Reactions Nuclear Fusion and Energy Comparisons |
By the end of the
lesson, the learner
should be able to:
Write balanced nuclear equations - Apply conservation laws for mass and atomic numbers - Explain alpha and beta emission effects - Balance complex nuclear reactions |
Practice writing nuclear equations for alpha emission
- Study beta emission examples - Apply mass and atomic number conservation - Balance various nuclear reactions with missing nuclides |
Nuclear equation examples, periodic table, conservation law charts, practice worksheets
Decay series charts, thorium series diagram, nuclide stability charts, practice decay series Fission reaction diagrams, chain reaction illustrations, nuclear reactor diagrams, energy calculation examples Fusion reaction diagrams, comparison tables, stellar fusion charts, energy comparison data |
KLB Secondary Chemistry Form 4, Pages 205-207
|
|
| 3 | 4 |
RADIOACTIVITY
|
Medical and Diagnostic Applications
Industrial, Agricultural and Dating Applications Radiation Hazards and Environmental Impact |
By the end of the
lesson, the learner
should be able to:
Describe medical applications of radioisotopes - Explain cancer treatment using radiation - Discuss diagnostic procedures and imaging - Analyze therapeutic vs diagnostic uses |
Study cobalt-60 and caesium-137 in cancer treatment
- Iodine-131 in thyroid monitoring - Bone growth and fracture healing monitoring - Sterilization of surgical instruments |
Medical radioisotope charts, treatment procedure diagrams, diagnostic equipment images, case studies
Carbon dating examples, agricultural application charts, industrial use diagrams, food preservation data Accident case studies, environmental impact data, radiation exposure charts, contamination maps |
KLB Secondary Chemistry Form 4, Pages 208-209
|
|
| 3 | 5 |
RADIOACTIVITY
|
Safety Measures and International Control
Half-Life Problem Solving and Graph Analysis |
By the end of the
lesson, the learner
should be able to:
Explain radiation protection principles - Describe proper storage and disposal methods - Discuss IAEA role and standards - Analyze monitoring and control systems |
Study IAEA guidelines and international cooperation
- Radiation protection protocols and ALARA principle - Safe storage, transport and disposal methods - Environmental monitoring systems |
IAEA guidelines, safety protocol charts, monitoring equipment diagrams, international cooperation data
Graph paper, experimental data sets, calculators, statistical analysis examples, comprehensive problem sets |
KLB Secondary Chemistry Form 4, Pages 209-210
|
|
| 4 |
POST MOCK EXAMINATION |
|||||||
| 5 |
POST MOCK EXAMINATION |
|||||||
| 6 | 1-2 |
RADIOACTIVITY
Chemistry Paper 1 Revision Chemistry Paper 1 Revision REVISION Chemistry Paper 1 Revision Chemistry Paper 2 Revision Chemistry Paper 2 Revision Chemistry Paper 2 Revision |
Nuclear Equations and Conservation Laws
Section A: Short Answer Questions Section A: Short Answer Questions Integrated Short Answer Practice Structured Questions: Analysis & Explanations Structured Questions: Calculations & Reactions Integrated Exam Practice |
By the end of the
lesson, the learner
should be able to:
Balance complex nuclear equations - Complete nuclear reaction series - Identify unknown nuclides using conservation laws - Apply mass-energy relationships – integrate knowledge from all Chemistry topics to solve mixed Paper 1 questions – practice time management under exam conditions – review answers using marking schemes and teacher feedback |
Practice balancing nuclear reactions with multiple steps
- Complete partial decay series - Identify missing nuclides using conservation principles - Mass-energy calculation problems Students attempt a timed set of Paper 1 questions (mock) Teacher leads whole-class marking and discussion of common errors |
Nuclear equation worksheets, periodic table, decay series diagrams, conservation law examples
Past Chemistry Paper 1 exams, Marking Schemes Past Papers, Chalkboard, Chemistry Charts Full Past Paper 1, Answer Booklets, Marking Schemes Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard Calculators, Revision Exercises, Charts Past Papers, Marking Schemes, Exam Answer Sheets |
KLB Secondary Chemistry Form 4, Pages 199-210
KCSE Past Papers, Teachers’ Guide |
|
| 6 | 3 |
Chemistry Paper 3 Revision
Chemistry Paper 1 Revision Chemistry Paper 1 Revision Chemistry Paper 1 Revision |
Quantitative Practical Skills
Qualitative Practical Skills Section A: Short Answer Questions Section A: Short Answer Questions Integrated Short Answer Practice |
By the end of the
lesson, the learner
should be able to:
- apply correct laboratory techniques in measuring and mixing solutions - record results systematically and accurately - analyze practical data to make valid conclusions |
Teacher reviews quantitative procedures Learners practice measurement and recording Class discussion on data presentation and interpretation
|
Laboratory apparatus, Past Papers
Laboratory apparatus, Reagents, Past Papers Past Chemistry Paper 1 exams, Marking Schemes Past Papers, Chalkboard, Chemistry Charts Full Past Paper 1, Answer Booklets, Marking Schemes |
KLB Chem Bk 1–4, KCSE Past Papers
|
|
| 6 | 4 |
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision |
Structured Questions: Analysis & Explanations
Structured Questions: Calculations & Reactions Integrated Exam Practice Quantitative Practical Skills |
By the end of the
lesson, the learner
should be able to:
- attempt structured questions systematically - interpret and explain concepts from the Periodic Table, gases, and bonding - apply scientific reasoning to short-answer questions |
Learners attempt selected structured questions Teacher guides marking and discusses common errors Class shares strategies for improving explanations
|
Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard
Calculators, Revision Exercises, Charts Past Papers, Marking Schemes, Exam Answer Sheets Laboratory apparatus, Past Papers |
KLB Chem Bk 2–4, KCSE Past Papers
|
|
| 6 | 5 |
Chemistry Paper 3 Revision
Chemistry Paper 1 Revision Chemistry Paper 1 Revision Chemistry Paper 1 Revision |
Qualitative Practical Skills
Section A: Short Answer Questions Section A: Short Answer Questions Integrated Short Answer Practice |
By the end of the
lesson, the learner
should be able to:
- make accurate observations during experiments - record results clearly and systematically - draw correct inferences from experimental outcomes |
Teacher demonstrates step-by-step approach to qualitative tasks Learners carry out tests in groups Group review of observations vs. inferences
|
Laboratory apparatus, Reagents, Past Papers
Past Chemistry Paper 1 exams, Marking Schemes Past Papers, Chalkboard, Chemistry Charts Full Past Paper 1, Answer Booklets, Marking Schemes |
KLB Chem Bk 1–4, KCSE Past Papers
|
|
| 7 | 1-2 |
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision Chemistry Paper 3 Revision Chemistry Paper 1 Revision Chemistry Paper 1 Revision Chemistry Paper 1 Revision Chemistry Paper 2 Revision |
Structured Questions: Analysis & Explanations
Structured Questions: Calculations & Reactions Integrated Exam Practice Quantitative Practical Skills Qualitative Practical Skills Section A: Short Answer Questions Section A: Short Answer Questions Integrated Short Answer Practice Structured Questions: Analysis & Explanations |
By the end of the
lesson, the learner
should be able to:
- attempt structured questions systematically - interpret and explain concepts from the Periodic Table, gases, and bonding - apply scientific reasoning to short-answer questions - make accurate observations during experiments - record results clearly and systematically - draw correct inferences from experimental outcomes |
Learners attempt selected structured questions Teacher guides marking and discusses common errors Class shares strategies for improving explanations
Teacher demonstrates step-by-step approach to qualitative tasks Learners carry out tests in groups Group review of observations vs. inferences |
Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard
Calculators, Revision Exercises, Charts Past Papers, Marking Schemes, Exam Answer Sheets Laboratory apparatus, Past Papers Laboratory apparatus, Reagents, Past Papers Past Chemistry Paper 1 exams, Marking Schemes Past Papers, Chalkboard, Chemistry Charts Full Past Paper 1, Answer Booklets, Marking Schemes Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard |
KLB Chem Bk 2–4, KCSE Past Papers
KLB Chem Bk 1–4, KCSE Past Papers |
|
| 7 | 3 |
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision Chemistry Paper 3 Revision |
Structured Questions: Calculations & Reactions
Integrated Exam Practice Quantitative Practical Skills Qualitative Practical Skills |
By the end of the
lesson, the learner
should be able to:
- solve questions involving mole ratios, empirical formulae, titration, and gas laws - write and balance chemical equations - present working clearly for full marks |
Learners attempt numerical and equation-based questions in groups Teacher reviews answers using marking scheme Class discussion of calculation shortcuts and common pitfalls
|
Calculators, Revision Exercises, Charts
Past Papers, Marking Schemes, Exam Answer Sheets Laboratory apparatus, Past Papers Laboratory apparatus, Reagents, Past Papers |
KCSE Past Papers, Revision Kits
|
|
| 7 | 4 |
Chemistry Paper 1 Revision
Chemistry Paper 2 Revision |
Section A: Short Answer Questions
Integrated Short Answer Practice Structured Questions: Analysis & Explanations |
By the end of the
lesson, the learner
should be able to:
– attempt compulsory short-answer questions – recall and explain key chemistry concepts clearly – apply correct working in simple chemical calculations |
Students attempt selected short-answer questions individually Peer-marking and teacher correction through discussion
|
Past Chemistry Paper 1 exams, Marking Schemes
Past Papers, Chalkboard, Chemistry Charts Full Past Paper 1, Answer Booklets, Marking Schemes Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard |
KLB Chemistry Bk 1–4, KCSE Past Papers
|
|
| 7 | 5 |
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision Chemistry Paper 3 Revision |
Structured Questions: Calculations & Reactions
Integrated Exam Practice Quantitative Practical Skills Qualitative Practical Skills |
By the end of the
lesson, the learner
should be able to:
- solve questions involving mole ratios, empirical formulae, titration, and gas laws - write and balance chemical equations - present working clearly for full marks |
Learners attempt numerical and equation-based questions in groups Teacher reviews answers using marking scheme Class discussion of calculation shortcuts and common pitfalls
|
Calculators, Revision Exercises, Charts
Past Papers, Marking Schemes, Exam Answer Sheets Laboratory apparatus, Past Papers Laboratory apparatus, Reagents, Past Papers |
KCSE Past Papers, Revision Kits
|
|
| 8 | 1-2 |
Chemistry Paper 1 Revision
Chemistry Paper 2 Revision Chemistry Paper 2 Revision Chemistry Paper 3 Revision Chemistry Paper 3 Revision Chemistry Paper 1 Revision |
Section A: Short Answer Questions
Integrated Short Answer Practice Structured Questions: Analysis & Explanations Structured Questions: Calculations & Reactions Integrated Exam Practice Quantitative Practical Skills Qualitative Practical Skills Section A: Short Answer Questions |
By the end of the
lesson, the learner
should be able to:
– attempt compulsory short-answer questions – recall and explain key chemistry concepts clearly – apply correct working in simple chemical calculations - solve questions involving mole ratios, empirical formulae, titration, and gas laws - write and balance chemical equations - present working clearly for full marks |
Students attempt selected short-answer questions individually Peer-marking and teacher correction through discussion
Learners attempt numerical and equation-based questions in groups Teacher reviews answers using marking scheme Class discussion of calculation shortcuts and common pitfalls |
Past Chemistry Paper 1 exams, Marking Schemes
Past Papers, Chalkboard, Chemistry Charts Full Past Paper 1, Answer Booklets, Marking Schemes Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard Calculators, Revision Exercises, Charts Past Papers, Marking Schemes, Exam Answer Sheets Laboratory apparatus, Past Papers Laboratory apparatus, Reagents, Past Papers Past Chemistry Paper 1 exams, Marking Schemes |
KLB Chemistry Bk 1–4, KCSE Past Papers
KCSE Past Papers, Revision Kits |
|
| 8 | 3 |
Chemistry Paper 1 Revision
Chemistry Paper 2 Revision Chemistry Paper 2 Revision |
Section A: Short Answer Questions
Integrated Short Answer Practice Structured Questions: Analysis & Explanations Structured Questions: Calculations & Reactions |
By the end of the
lesson, the learner
should be able to:
– practice a variety of short-answer questions across different Chemistry topics – apply knowledge of experimental setups, chemical properties, and reactions – improve accuracy and clarity in responses |
Teacher demonstrates answering approaches Students work in groups to discuss selected questions Class review using marking scheme
|
Past Papers, Chalkboard, Chemistry Charts
Full Past Paper 1, Answer Booklets, Marking Schemes Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard Calculators, Revision Exercises, Charts |
KLB Chemistry Bk 1–4
|
|
| 8 | 4 |
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision Chemistry Paper 3 Revision Chemistry Paper 1 Revision |
Integrated Exam Practice
Quantitative Practical Skills Qualitative Practical Skills Section A: Short Answer Questions |
By the end of the
lesson, the learner
should be able to:
- integrate knowledge across topics (organic, industrial, acids/bases, gases) - apply time management in answering compulsory Paper 2 questions - self-assess answers against marking scheme |
Learners sit for a timed mock (selected Paper 2 questions) Peer marking guided by marking scheme Teacher highlights answering techniques and improvement areas
|
Past Papers, Marking Schemes, Exam Answer Sheets
Laboratory apparatus, Past Papers Laboratory apparatus, Reagents, Past Papers Past Chemistry Paper 1 exams, Marking Schemes |
KLB Chem Bk 1–4, KCSE Past Papers
|
|
| 8 | 5 |
Chemistry Paper 1 Revision
Chemistry Paper 2 Revision Chemistry Paper 2 Revision Chemistry Paper 2 Revision Chemistry Paper 3 Revision Chemistry Paper 3 Revision |
Section A: Short Answer Questions
Integrated Short Answer Practice Structured Questions: Analysis & Explanations Structured Questions: Calculations & Reactions Integrated Exam Practice Quantitative Practical Skills Qualitative Practical Skills |
By the end of the
lesson, the learner
should be able to:
– practice a variety of short-answer questions across different Chemistry topics – apply knowledge of experimental setups, chemical properties, and reactions – improve accuracy and clarity in responses |
Teacher demonstrates answering approaches Students work in groups to discuss selected questions Class review using marking scheme
|
Past Papers, Chalkboard, Chemistry Charts
Full Past Paper 1, Answer Booklets, Marking Schemes Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard Calculators, Revision Exercises, Charts Past Papers, Marking Schemes, Exam Answer Sheets Laboratory apparatus, Past Papers Laboratory apparatus, Reagents, Past Papers |
KLB Chemistry Bk 1–4
|
|
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