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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Molten electrolytes.
|
By the end of the lesson, the learner should be able to:
To test for electrical conductivities molten electrolytes. |
Group experiments- to identify electrolytes in molten form.
Explain the difference in molten electrolytes. |
Molten candle wax
Sugar Sulphur Lead oxide. |
K.L.B. BOOK IIPP. 120-121
|
|
| 2 | 2 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Electrolysis.
|
By the end of the lesson, the learner should be able to:
To define electrolysis To describe the process of electrolysis in terms of charge movement. |
Descriptive approach punctuated with Q/A.
|
|
K.L.B. BOOK II
|
|
| 2 | 3-4 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Aqueous electrolytes.
Electrodes.
|
By the end of the lesson, the learner should be able to:
To define an electrolyte To test for electrical conductivities of electrodes. |
To investigate chemical effect of an electric current.
Classify the solutions as electrolyte or non -electrolytes. Discuss the electrical properties of the solutions. |
Graphite electrodes
Battery Various aqueous solutions switch bulb. |
K.L.B. BOOK II PP.122-123
|
|
| 3 | 1 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Reaction on electrodes.
|
By the end of the lesson, the learner should be able to:
To describe half- equation reactions at the cathode and anode |
To demonstrate ?Electrolysis of molten lead (II) bromide
Observe colour changes Explanation of half-equations and reactions at the electrodes. |
Graphite electrodes
Battery Various aqueous solutions switch. |
K.L.B. BOOK II PP.126-127
|
|
| 3 | 2 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Reaction on electrodes.
|
By the end of the lesson, the learner should be able to:
To describe half- equation reactions at the cathode and anode |
To demonstrate ?Electrolysis of molten lead (II) bromide
Observe colour changes Explanation of half-equations and reactions at the electrodes. |
Graphite electrodes
Battery Various aqueous solutions switch. |
K.L.B. BOOK II PP.126-127
|
|
| 3 | 3-4 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Binary electrolyte.
Application of electrolysis. |
By the end of the lesson, the learner should be able to:
To define a binary electrolyte. To state the products of a binary electrolyte. To state application of electrolysis. |
Completing a table of electrolysis of binary electrolytes.
Discussion and explanations. |
text book
|
K.L.B. BOOK II P.127
K.L.B. BOOK II P. 128 |
|
| 4 | 1 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Electroplating.
|
By the end of the lesson, the learner should be able to:
To describe electroplating process. |
Experiment- Left overnight.
Electroplating an iron nail with silver nitrate/ copper sulphate. Brief discussion. |
Silver nitrate
Iron nail Complete circuit battery. |
K.L.B. BOOK II PP. 129-30
|
|
| 4 | 2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Allotropy.
|
By the end of the lesson, the learner should be able to:
Define allotropes and allotropy. Identify allotropes of carbon. Represent diamond and graphite diagrammatically. |
Teacher exposes new terms.
Review covalent bond. Discuss boding in diamond and graphite. |
text book
|
K.L.B. BOOK II PP. 131-133
|
|
| 4 | 3-4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Physical and chemical properties of diamond, graphite and amorphous carbon
|
By the end of the lesson, the learner should be able to:
Describe physical and chemical properties of diamond, graphite and amorphous carbon. State uses of carbon allotropes. |
Discuss physical and chemical properties of diamond, graphite and amorphous carbon.
Explain the Physical and chemical properties of diamond, graphite and amorphous carbon. Discuss uses of carbon allotropes. |
Charcoal, graphite.
|
K.L.B. BOOK II pp 134
|
|
| 5 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Burning carbon and oxygen.
|
By the end of the lesson, the learner should be able to:
Describe reaction of carbon with oxygen. |
Teacher demonstration- Prepare oxygen and pass dry oxygen into a tube containing carbon. Heat the carbon. Observe effects on limewater.
|
Carbon, limewater, tube, limewater stand& Bunsen burner.
|
K.L.B. BOOK II PP. 134-135
|
|
| 5 | 2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Reduction properties of carbon.
|
By the end of the lesson, the learner should be able to:
Describe reduction properties of carbon. Show reduction properties of carbon. |
Teacher demonstration ? Burn strongly a mixture of carbon and CuO on a bottle top.
Observe colour changes and give underlying explanation |
CuO, pounded charcoal, Bunsen burner& bottle top
|
K.L.B. BOOK II P.126
|
|
| 5 | 3-4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Reaction of carbon with acids.
Preparation of CO2.
Properties of CO2. |
By the end of the lesson, the learner should be able to:
Describe reaction of carbon with acids. Prepare CO2 in the lab. Describe properties of CO2 |
Teacher demonstration- reaction of carbon with hot conc HNO3.
Write balanced equations for the reaction. Review effects of heat on carbonates. Group experiments/teacher demonstration- preparation of CO2. Simple experiments to determine properties of CO2. Discuss the observations. |
Conc. HNO3, limewater.
Lime water, Magnesium ribbon, Universal indicator, lit candle. |
K.L.B. BOOK II P.126
K.L.B. BOOK II PP.138-139 |
|
| 6 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical equations for reactions involving CO2.
|
By the end of the lesson, the learner should be able to:
Write balanced CO2. |
Give examples of reactions. Write corresponding balanced chemical equations.
|
text book
|
K.L.B. BOOK II PP.139-140
|
|
| 6 | 2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical equations for reactions involving CO2.
|
By the end of the lesson, the learner should be able to:
Write balanced CO2. |
Give examples of reactions. Write corresponding balanced chemical equations.
|
text book
|
K.L.B. BOOK II PP.139-140
|
|
| 6 | 3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Uses of CO2.
|
By the end of the lesson, the learner should be able to:
State uses of CO2 |
Discuss briefly the uses of CO2.
|
text book
|
K.L.B. BOOK II PP.140-1
|
|
| 6 | 3-4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Uses of CO2.
Carbon monoxide lab preparation. |
By the end of the lesson, the learner should be able to:
State uses of CO2 To describe preparation of carbon monoxide in the lab |
Discuss briefly the uses of CO2.
Teacher demonstration: preparation of carbon monoxide in the lab. Make observations. |
text book
|
K.L.B. BOOK II PP.140-1
K.L.B. BOOK II PP. 142-143 |
|
| 7 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical properties of carbon monoxide.
|
By the end of the lesson, the learner should be able to:
To describe chemical properties of carbon monoxide. |
Description of properties of carbon monoxide.
Discussion and writing of chemical equations. |
text book
|
K.L.B. BOOK II PP. 144-145
|
|
| 7 | 2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Carbonates and hydrogen carbonates.
|
By the end of the lesson, the learner should be able to:
To write chemical equations for reactions of carbonates and hydrogen carbonates with acids. |
Discuss the observations above.
Write chemical equations for the reactions. |
text book
|
K.L.B. BOOK II
|
|
| 7 | 3-4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Heating carbonates and hydrogen carbonates.
Extraction of sodium carbonate from trona. |
By the end of the lesson, the learner should be able to:
To write equations for reaction of carbonates and hydrogen carbonates on heating. To draw schematic diagram for extraction of sodium carbonates. |
Discuss the above observations.
Write corresponding balanced equations. Discuss each step of the process. Write relevant equations. |
text book
|
K.L.B. BOOK II PP.150-151
K.L.B. BOOK II PP. 153-157 |
|
| 8 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Solvay process of preparing sodium carbonate.
|
By the end of the lesson, the learner should be able to:
To draw schematic diagram for extraction of sodium carbonates. |
Discuss each step of the process.
Write relevant equations. |
text book, chart
|
K.L.B. BOOK II
|
|
| 8 | 2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Solvay process of preparing sodium carbonate.
|
By the end of the lesson, the learner should be able to:
To draw schematic diagram for extraction of sodium carbonates. |
Discuss each step of the process.
Write relevant equations. |
text book, chart
|
K.L.B. BOOK II
|
|
| 8 | 3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Importance of carbon in nature.
& its
effects on the environment.
|
By the end of the lesson, the learner should be able to:
To discuss: - Importance of carbon in nature. & Effects of carbon on the environment. |
Discuss the carbon cycle and processes that increase/ reduce amount of CO2 in the air.
Uses of CO2 in soft drinks and fire extinguishers. |
text book
|
K.L.B. BOOK II PP.157-158
|
|
| 8 | 3-4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Importance of carbon in nature.
& its
effects on the environment.
|
By the end of the lesson, the learner should be able to:
To discuss: - Importance of carbon in nature. & Effects of carbon on the environment. |
Discuss the carbon cycle and processes that increase/ reduce amount of CO2 in the air.
Uses of CO2 in soft drinks and fire extinguishers. |
text book
|
K.L.B. BOOK II PP.157-158
|
|
| 9 |
Exams |
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