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SCHEME OF WORK
Chemistry
Form 4 2025
TERM III
School


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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
METALS
Ores of some metals.
By the end of the lesson, the learner should be able to:


Name the chief ores of some metals.


Exposition and brief discussion.
K.L.B. BK IV
Pages 168-9
2 2-3
METALS
Ores of some metals.
Occurrence and extraction of sodium.
By the end of the lesson, the learner should be able to:


Name the chief ores of some metals.


Describe occurrence and extraction of sodium.


Exposition and brief discussion.
Oral questions on electrolysis and equations at electrodes.
Brief discussion on occurrence and extraction.

Chart: Down?s cell.
K.L.B. BK IV
Pages 168-9
K.L.B. BK IV
Pages 170-171
2 4
METALS
Occurrence and extraction of sodium.
By the end of the lesson, the learner should be able to:
Describe occurrence and extraction of sodium.
Oral questions on electrolysis and equations at electrodes.
Brief discussion on occurrence and extraction.
Chart: Down?s cell.
K.L.B. BK IV
Pages 170-171
2 5
METALS
Occurrence and extraction of aluminium.
By the end of the lesson, the learner should be able to:
Describe occurrence and extraction of aluminium.
Brief discussion.
Write relevant chemical equations.
student book
K.L.B. BK IV
Pages 171-3
3 1
METALS
Occurrence and extraction of iron.
By the end of the lesson, the learner should be able to:
Describe occurrence and extraction of iron.
Brief discussion.
Write relevant chemical equations.
Chart: Blast furnace.
K.L.B. BK IV
Pages 173-5
3 2-3
METALS
Occurrence and extraction of iron.
By the end of the lesson, the learner should be able to:
Describe occurrence and extraction of iron.
Brief discussion.
Write relevant chemical equations.
Chart: Blast furnace.
K.L.B. BK IV
Pages 173-5
3 4
METALS
Occurrence and extraction of zinc.
By the end of the lesson, the learner should be able to:
Describe occurrence and extraction of zinc by electrolysis and reduction methods.
Brief discussion.
Write relevant chemical equations.
Flow chart: extraction of Zinc.
K.L.B. BK IV
Pages 175-9
3 5
METALS
Occurrence and extraction of zinc.
By the end of the lesson, the learner should be able to:
Describe occurrence and extraction of zinc by electrolysis and reduction methods.
Brief discussion.
Write relevant chemical equations.
Flow chart: extraction of Zinc.
K.L.B. BK IV
Pages 175-9
4 1
METALS
Extraction of lead.
By the end of the lesson, the learner should be able to:
Explain how lead is extracted.
Q/A & brief discussion.
Write balanced chemical equations leading to extraction of lead.
Flow chart: extraction of lead.
K.L.B. BK IV
Pages 179-80
4 2-3
METALS
Extraction of lead.
By the end of the lesson, the learner should be able to:
Explain how lead is extracted.
Q/A & brief discussion.
Write balanced chemical equations leading to extraction of lead.
Flow chart: extraction of lead.
K.L.B. BK IV
Pages 179-80
4 4
METALS
Extraction of lead.
By the end of the lesson, the learner should be able to:
Explain how lead is extracted.
Q/A & brief discussion.
Write balanced chemical equations leading to extraction of lead.
Flow chart: extraction of lead.
K.L.B. BK IV
Pages 179-80
4 5
METALS
Extraction of lead.
By the end of the lesson, the learner should be able to:
Explain how lead is extracted.
Q/A & brief discussion.
Write balanced chemical equations leading to extraction of lead.
Flow chart: extraction of lead.
K.L.B. BK IV
Pages 179-80
5 1
METALS
Occurrence and extraction of copper.
By the end of the lesson, the learner should be able to:
Describe extraction of copper.
Q/A & brief discussion.
Write balanced chemical equations leading to extraction of copper.
Flow chart: extraction of copper.
K.L.B. BK IV
Pages 181-183
5 2-3
METALS
Occurrence and extraction of copper.
Physical properties of some metals.
By the end of the lesson, the learner should be able to:
Describe extraction of copper.
State general properties of metals.
Explain the difference in physical properties of metals.
Q/A & brief discussion.
Write balanced chemical equations leading to extraction of copper.

Compare physical properties of some metals as summarized in a chart.
Q/A & discussion based on physical properties.
Flow chart: extraction of copper.
student book
K.L.B. BK IV
Pages 181-183
K.L.B. BK IV
Pages 183-4
5 4
METALS
Physical properties of some metals.
By the end of the lesson, the learner should be able to:
State general properties of metals.
Explain the difference in physical properties of metals.
Compare physical properties of some metals as summarized in a chart.
Q/A & discussion based on physical properties.
student book
K.L.B. BK IV
Pages 183-4
5 5
METALS
Reaction of metals with oxygen.
By the end of the lesson, the learner should be able to:
Explain effect of burning metals in air.
Teacher demonstration / Group experiments.
Burning some metals in air.
Write relevant equations.
Brief discussion.
Common lab. metals.
K.L.B. BK IV
Pages 184-6
6 1
METALS
Reaction of metals with cold water and steam.
By the end of the lesson, the learner should be able to:
Describe reaction of metals with cold water and steam.

Arrange the metals in order of reactivity with cold water and steam.
Class experiments:
Investigate reaction of some metals with cold water and steam.
Analyse the results.
Metals: Al, Zn, Fe, Cu.
K.L.B. BK IV
Pages 186-9
6 2-3
METALS
Reaction of metals with cold water and steam.
Reaction of metals with chlorine.
By the end of the lesson, the learner should be able to:
Describe reaction of metals with cold water and steam.

Arrange the metals in order of reactivity with cold water and steam.


Describe the reaction of metals with chlorine.
Class experiments:
Investigate reaction of some metals with cold water and steam.
Analyse the results.
Teacher demonstration in a fume cupboard / in the open.
Investigate reaction of metals with chorine
Write corresponding equations.
Metals: Al, Zn, Fe, Cu.
Metals: Al, Zn, Fe, Cu.
K.L.B. BK IV
Pages 186-9
K.L.B. BK IV
Pages 189-191
6 4
METALS
Reaction of metals with chlorine.
By the end of the lesson, the learner should be able to:
Describe the reaction of metals with chlorine.
Teacher demonstration in a fume cupboard / in the open.
Investigate reaction of metals with chorine
Write corresponding equations.
Metals: Al, Zn, Fe, Cu.
K.L.B. BK IV
Pages 189-191
6 5
METALS
Reaction of metals with chlorine.
By the end of the lesson, the learner should be able to:
Describe the reaction of metals with chlorine.
Teacher demonstration in a fume cupboard / in the open.
Investigate reaction of metals with chorine
Write corresponding equations.
Metals: Al, Zn, Fe, Cu.
K.L.B. BK IV
Pages 189-191
7 1
METALS
Reaction of metals with acids.
By the end of the lesson, the learner should be able to:
Describe and explain reaction of metals with acids.
Group experiments: investigate reaction of metals with dilute acids.
Teacher demonstration: investigate reaction of metals with concentrated acids.
Discuss the observations made and write relevant chemical equations.
Metals: Al, Zn, Fe, Cu.

Acids; HCl, HNO3, H2SO4.
K.L.B. BK IV
Pages 191-4
7 2-3
METALS
Uses of metals.
By the end of the lesson, the learner should be able to:
State uses of some metals and alloys.
Q/A & brief discussion;
Uses of Sodium, Aluminium, Zinc, Iron and Copper & some alloys.
student book
K.L.B. BK IV
Pages 194-7
7 4
METALS
Environmental effects of extraction of metals.
By the end of the lesson, the learner should be able to:
Identify some environmental effects of extraction of metals.
Oral questions and open discussion.

Assignment / Topic review.
student book
K.L.B. BK IV
Pages 197-8
7 5
METALS
Environmental effects of extraction of metals.
By the end of the lesson, the learner should be able to:
Identify some environmental effects of extraction of metals.
Oral questions and open discussion.

Assignment / Topic review.
student book
K.L.B. BK IV
Pages 197-8

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