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Chemistry
Form 4 2025
TERM III
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

REPORTING AND OPENER EXAMS

2

REVISION OF JISE EXAMS

3 1
REVISION

Chemistry Paper 1 Revision
Chemistry Paper 1 Revision
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
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
KLB Chemistry Bk 1–4, KCSE Past Papers
3 2-3
Chemistry Paper 1 Revision
Chemistry Paper 2 Revision
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:
– 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
- solve questions involving mole ratios, empirical formulae, titration, and gas laws - write and balance chemical equations - present working clearly for full marks
Students attempt a timed set of Paper 1 questions (mock) Teacher leads whole-class marking and discussion of common errors
Learners attempt numerical and equation-based questions in groups Teacher reviews answers using marking scheme Class discussion of calculation shortcuts and common pitfalls
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
KCSE Past Papers, Teachers’ Guide
KCSE Past Papers, Revision Kits
3 4
Chemistry Paper 3 Revision
Quantitative Practical Skills
Qualitative Practical Skills
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
KLB Chem Bk 1–4, KCSE Past Papers
3 5
Chemistry Paper 1 Revision
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
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
KLB Chemistry Bk 1–4, KCSE Past Papers
4 1
Chemistry Paper 1 Revision
Integrated Short Answer Practice
By the end of the lesson, the learner should be able to:
– 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
Students attempt a timed set of Paper 1 questions (mock) Teacher leads whole-class marking and discussion of common errors
Full Past Paper 1, Answer Booklets, Marking Schemes
KCSE Past Papers, Teachers’ Guide
4 2-3
Chemistry Paper 2 Revision
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
- 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 attempt selected structured questions Teacher guides marking and discusses common errors Class shares strategies for improving explanations
Learners sit for a timed mock (selected Paper 2 questions) Peer marking guided by marking scheme Teacher highlights answering techniques and improvement areas
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
KLB Chem Bk 1–4, KCSE Past Papers
4 4
Chemistry Paper 3 Revision
Chemistry Paper 1 Revision
Qualitative Practical Skills
Section A: Short Answer Questions
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
KLB Chem Bk 1–4, KCSE Past Papers
4 5
Chemistry Paper 1 Revision
Section A: Short Answer Questions
Integrated Short Answer Practice
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
KLB Chemistry Bk 1–4
5 1
Chemistry Paper 2 Revision
Structured Questions: Analysis & Explanations
Structured Questions: Calculations & Reactions
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
KLB Chem Bk 2–4, KCSE Past Papers
5 2-3
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision
Integrated Exam Practice
Quantitative Practical Skills
Qualitative Practical Skills
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
- apply correct laboratory techniques in measuring and mixing solutions - record results systematically and accurately - analyze practical data to make valid conclusions
Learners sit for a timed mock (selected Paper 2 questions) Peer marking guided by marking scheme Teacher highlights answering techniques and improvement areas
Teacher reviews quantitative procedures Learners practice measurement and recording Class discussion on data presentation and interpretation
Past Papers, Marking Schemes, Exam Answer Sheets
Laboratory apparatus, Past Papers
Laboratory apparatus, Reagents, Past Papers
KLB Chem Bk 1–4, KCSE Past Papers
5 4
Chemistry Paper 1 Revision
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
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
KLB Chemistry Bk 1–4, KCSE Past Papers
5 5
Chemistry Paper 1 Revision
Chemistry Paper 2 Revision
Integrated Short Answer Practice
Structured Questions: Analysis & Explanations
By the end of the lesson, the learner should be able to:
– 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
Students attempt a timed set of Paper 1 questions (mock) Teacher leads whole-class marking and discussion of common errors
Full Past Paper 1, Answer Booklets, Marking Schemes
Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard
KCSE Past Papers, Teachers’ Guide
6 1
Chemistry Paper 2 Revision
Structured Questions: Calculations & Reactions
Integrated Exam Practice
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
KCSE Past Papers, Revision Kits
6 2-3
Chemistry Paper 3 Revision
Chemistry Paper 3 Revision
Chemistry Paper 1 Revision
Quantitative Practical Skills
Qualitative Practical Skills
Section A: Short Answer Questions
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
- make accurate observations during experiments - record results clearly and systematically - draw correct inferences from experimental outcomes
Teacher reviews quantitative procedures Learners practice measurement and recording Class discussion on data presentation and interpretation
Teacher demonstrates step-by-step approach to qualitative tasks Learners carry out tests in groups Group review of observations vs. inferences
Laboratory apparatus, Past Papers
Laboratory apparatus, Reagents, Past Papers
Past Chemistry Paper 1 exams, Marking Schemes
KLB Chem Bk 1–4, KCSE Past Papers
6 4
Chemistry Paper 1 Revision
Section A: Short Answer Questions
Integrated Short Answer Practice
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
KLB Chemistry Bk 1–4
6 5
Chemistry Paper 2 Revision
Structured Questions: Analysis & Explanations
Structured Questions: Calculations & Reactions
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
KLB Chem Bk 2–4, KCSE Past Papers
7 1
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision
Integrated Exam Practice
Quantitative Practical Skills
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
KLB Chem Bk 1–4, KCSE Past Papers
7 2-3
Chemistry Paper 3 Revision
Chemistry Paper 1 Revision
Qualitative Practical Skills
Section A: Short Answer Questions
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
– 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 step-by-step approach to qualitative tasks Learners carry out tests in groups Group review of observations vs. inferences
Teacher demonstrates answering approaches Students work in groups to discuss selected questions Class review using marking scheme
Laboratory apparatus, Reagents, Past Papers
Past Chemistry Paper 1 exams, Marking Schemes
Past Papers, Chalkboard, Chemistry Charts
KLB Chem Bk 1–4, KCSE Past Papers
KLB Chemistry Bk 1–4
7 4
Chemistry Paper 1 Revision
Chemistry Paper 2 Revision
Integrated Short Answer Practice
Structured Questions: Analysis & Explanations
By the end of the lesson, the learner should be able to:
– 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
Students attempt a timed set of Paper 1 questions (mock) Teacher leads whole-class marking and discussion of common errors
Full Past Paper 1, Answer Booklets, Marking Schemes
Past Chemistry Paper 2 exams, Marking Schemes, Whiteboard
KCSE Past Papers, Teachers’ Guide
7 5
Chemistry Paper 2 Revision
Structured Questions: Calculations & Reactions
Integrated Exam Practice
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
KCSE Past Papers, Revision Kits
8 1
Chemistry Paper 3 Revision
Quantitative Practical Skills
Qualitative Practical Skills
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
KLB Chem Bk 1–4, KCSE Past Papers
8 2-3
Chemistry Paper 1 Revision
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
– 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
Students attempt selected short-answer questions individually Peer-marking and teacher correction through discussion
Students attempt a timed set of Paper 1 questions (mock) Teacher leads whole-class marking and discussion of common errors
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
KCSE Past Papers, Teachers’ Guide
8 4
Chemistry Paper 2 Revision
Structured Questions: Calculations & Reactions
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
KCSE Past Papers, Revision Kits
8 5
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision
Integrated Exam Practice
Quantitative Practical Skills
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
KLB Chem Bk 1–4, KCSE Past Papers
9 1
Chemistry Paper 3 Revision
Chemistry Paper 1 Revision
Qualitative Practical Skills
Section A: Short Answer Questions
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
KLB Chem Bk 1–4, KCSE Past Papers
9 2-3
Chemistry Paper 1 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
- attempt structured questions systematically - interpret and explain concepts from the Periodic Table, gases, and bonding - apply scientific reasoning to short-answer questions
Teacher demonstrates answering approaches Students work in groups to discuss selected questions Class review using marking scheme
Learners attempt selected structured questions Teacher guides marking and discusses common errors Class shares strategies for improving explanations
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
KLB Chem Bk 2–4, KCSE Past Papers
9 4
Chemistry Paper 2 Revision
Chemistry Paper 3 Revision
Integrated Exam Practice
Quantitative Practical Skills
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
KLB Chem Bk 1–4, KCSE Past Papers
9 5
Chemistry Paper 3 Revision
Qualitative Practical Skills
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
KLB Chem Bk 1–4, KCSE Past Papers

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