If this scheme pleases you, click here to download.
| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 3 |
SALTS
|
Methods of preparing various salts.
|
By the end of the
lesson, the learner
should be able to:
To describe various methods of preparing some salts. |
Experimental and descriptive treatments of preparation of salts e.g. ZnSO4, CuSO4, NaCl and Pb(NO3)2.
|
CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3.
|
K.L.B. BOOK II pp96
|
|
| 1 | 4 |
SALTS
|
Methods of preparing various salts.
|
By the end of the
lesson, the learner
should be able to:
To describe various methods of preparing some salts. |
Experimental and descriptive treatments of preparation of salts e.g. ZnSO4, CuSO4, NaCl and Pb(NO3)2.
|
CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3.
|
K.L.B. BOOK II pp96
|
|
| 2 | 1-2 |
SALTS
|
Direct synthesis of a salts.
Ionic equations. |
By the end of the
lesson, the learner
should be able to:
To describe direct synthesis of a salt. To write balanced equations for the reactions. To identify spectator ions in double decomposition reactions. To write ionic equations correctly. |
Group experiments- preparation of iron (II) sulphide by direct synthesis.
Give other examples of salts prepared by direct synthesis. Students write down corresponding balanced equations. Q/A: Ions present in given reactants. Deduce the products of double decomposition reactions. Give examples of equations. Supervised practice. |
Iron,
Sulphur PbNO3, MgSO4 solutions. |
K.L.B. BOOK II P. 104
|
|
| 2 | 3 |
SALTS
|
Effects of heat on carbonates.
Effects of heat on nitrates. |
By the end of the
lesson, the learner
should be able to:
To state effects of heat on carbonates. To predict products resulting from heating metal carbonates. |
Group experiments- To investigate effects of heat on Na2CO3, K2CO3, CaCO3, ZnCO3, PbCO3, e.t.c.
Observe various colour changes before, during and after heating. Write equations for the reactions. |
Various carbonates.
Common metal nitrates. |
K.L.B. BOOK II PP. 108-109
|
|
| 2 | 4 |
SALTS
|
Effects of heat on sulphates.
|
By the end of the
lesson, the learner
should be able to:
To state effects of heat on sulphates. To predict products results from heating metal sulphates. |
Group experiments- To investigate effects of heat on various sulphates.
Observe various colour changes before, during and after heating. Write equations for the reactions. |
Common sulphates.
|
K.L.B. BOOK II P. 113
|
|
| 3 | 1-2 |
SALTS
SALTS EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES. |
Hygroscopy, Deliquescence and Efflorescence.
Uses of salts. Molten electrolytes. |
By the end of the
lesson, the learner
should be able to:
To define hygroscopic deliquescent and efflorescent salts. To give examples of hygroscopic deliquescent and efflorescent salts. To state uses of salts |
Prepare a sample of various salts.
Expose them to the atmosphere overnight. Students classify the salts as hygroscopic, deliquescent and / or efflorescent. Teacher elucidates uses of salts. |
Molten candle wax Sugar Sulphur Lead oxide. |
K.L.B. BOOK II P. 114
K.L.B. BOOK II P. 114 |
|
| 3 | 3 |
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
|
|
| 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
|
|
| 4 | 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
|
|
| 4 | 1-2 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Reaction on electrodes.
Binary electrolyte. |
By the end of the
lesson, the learner
should be able to:
To describe half- equation reactions at the cathode and anode To define a binary electrolyte. To state the products of a binary electrolyte. |
To demonstrate ?Electrolysis of molten lead (II) bromide
Observe colour changes Explanation of half-equations and reactions at the electrodes. Completing a table of electrolysis of binary electrolytes. |
Graphite electrodes
Battery Various aqueous solutions switch. text book |
K.L.B. BOOK II PP.126-127
K.L.B. BOOK II P.127 |
|
| 4 | 3 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Application of electrolysis.
|
By the end of the
lesson, the learner
should be able to:
To state application of electrolysis. |
Discussion and explanations.
|
text book
|
K.L.B. BOOK II P. 128
|
|
| 4 | 4 |
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
|
|
| 5 | 1-2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Allotropy.
Physical and chemical properties of diamond, graphite and amorphous carbon Burning carbon and oxygen. |
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. Describe reaction of carbon with oxygen. |
Teacher exposes new terms.
Review covalent bond. Discuss boding in diamond and graphite. Teacher demonstration- Prepare oxygen and pass dry oxygen into a tube containing carbon. Heat the carbon. Observe effects on limewater. |
text book
Charcoal, graphite. Carbon, limewater, tube, limewater stand& Bunsen burner. |
K.L.B. BOOK II PP. 131-133
K.L.B. BOOK II PP. 134-135 |
|
| 5 | 3 |
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 | 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. |
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. |
Conc. HNO3, limewater.
Lime water, Magnesium ribbon, Universal indicator, lit candle. |
K.L.B. BOOK II P.126
|
|
| 6 | 1-2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical equations for reactions involving CO2.
Uses of CO2. |
By the end of the
lesson, the learner
should be able to:
Write balanced CO2. State uses of CO2 |
Give examples of reactions. Write corresponding balanced chemical equations.
Discuss briefly the uses of CO2. |
text book
|
K.L.B. BOOK II PP.139-140
K.L.B. BOOK II PP.140-1 |
|
| 6 | 3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Carbon monoxide lab preparation.
|
By the end of the
lesson, the learner
should be able to:
To describe preparation of carbon monoxide in the lab |
Teacher demonstration: preparation of carbon monoxide in the lab.
Make observations. |
text book
|
K.L.B. BOOK II PP. 142-143
|
|
| 6 | 4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical properties of carbon monoxide.
Carbonates and hydrogen carbonates. |
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 | 1-2 |
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 |
|
| 7 | 3 |
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
|
|
| 7 | 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
|
Your Name Comes Here