If this scheme pleases you, click here to download.
| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 5 |
STRUCTURE & BONDING
|
Covalent bond.
|
By the end of the
lesson, the learner
should be able to:
Explain the formation of covalent bond Use dot and cross diagrams to represent covalent bond. |
Exposition: Shared pair of electrons in a hydrogen molecule, H2O, NH3, Cl2, and CO2.
Drawing of dot-and-cross diagrams of covalent bonds. |
text book
|
K.L.B. BOOK II PP 60-63
|
|
| 3 | 1 |
STRUCTURE & BONDING
|
Co-ordinate bond.
|
By the end of the
lesson, the learner
should be able to:
To describe the co-ordinate bond To represent co-ordinate bond diagrammatically. |
Exposition- teacher explains the nature of co-ordinate bond.
Students represent co-ordinate bond diagrammatically. |
text book
|
K.L.B. BOOK II P 65
|
|
| 3 | 2-3 |
STRUCTURE & BONDING
|
Co-ordinate bond.
Molecular structure. |
By the end of the
lesson, the learner
should be able to:
To describe the co-ordinate bond To represent co-ordinate bond diagrammatically. To describe the molecular structure. To give examples of substance exhibiting molecular structure |
Exposition- teacher explains the nature of co-ordinate bond.
Students represent co-ordinate bond diagrammatically. Discussion ? To explain formation of the giant structure and give examples of substance exhibiting molecular structure. |
text book
|
K.L.B. BOOK II P 65
K.L.B. BOOK IIP 65 |
|
| 3 | 4 |
STRUCTURE & BONDING
|
Trend in physical properties of molecular structures.
|
By the end of the
lesson, the learner
should be able to:
To describe van- der -waals forces. To explain the trend in physical properties of molecular structures. |
Discuss comparative physical properties of substances. exhibiting molecular structure.
Explain variation in the physical properties. |
Sugar, naphthalene, iodine rhombic sulphur.
|
K.L.B. BOOK IIP 65
|
|
| 3 | 5 |
STRUCTURE & BONDING
|
Giant atomic structure in diamond.
|
By the end of the
lesson, the learner
should be able to:
To describe giant atomic structure in diamond. To state uses of diamond. |
Diagrammatic representation of diamond.
Discuss uses of diamond. |
Diagrams in textbooks.
|
K.L.B. BOOK II P 69
|
|
| 4 | 1 |
STRUCTURE & BONDING
|
Giant atomic structure in graphite.
|
By the end of the
lesson, the learner
should be able to:
To describe giant atomic structure in graphite. To state uses of graphite. |
Diagrammatic representation of graphite.
Discuss uses of graphite. |
Diagrams in textbooks.
|
K.L.B. BOOK II pp 69
|
|
| 4 | 2-3 |
STRUCTURE & BONDING
|
Giant atomic structure in graphite.
Metallic bond. Uses of some metals. |
By the end of the
lesson, the learner
should be able to:
To describe giant atomic structure in graphite. To state uses of graphite. To describe mutual electronic forces between electrons and nuclei. To describe metallic bond. To compare physical properties of metals. To state uses of some metals. |
Diagrammatic representation of graphite.
Discuss uses of graphite. Discussion: Detailed analysis of comparative physical properties of metals and their uses. Probing questions & brief explanations. |
Diagrams in textbooks.
text book |
K.L.B. BOOK II pp 69
K.L.B. BOOK IIP 70 |
|
| 4 | 4 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in periods.
|
By the end of the
lesson, the learner
should be able to:
To compare electrical conductivity of elements in period 3 |
Group experiments- Construct electrical circuits incorporating a magnesium ribbon, then aluminum foil, then sulphur in turns.
The brightness of the bulb is noted in each case. Discuss the observations in terms of delocalised electrons. |
The periodic table.
|
K.L.B. BOOK IIP. 76
|
|
| 4 | 5 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in periods.
|
By the end of the
lesson, the learner
should be able to:
To compare electrical conductivity of elements in period 3 |
Group experiments- Construct electrical circuits incorporating a magnesium ribbon, then aluminum foil, then sulphur in turns.
The brightness of the bulb is noted in each case. Discuss the observations in terms of delocalised electrons. |
The periodic table.
|
K.L.B. BOOK IIP. 76
|
|
| 5 | 1 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in period 3.
|
By the end of the
lesson, the learner
should be able to:
To compare other physical properties of elements across period 3. |
Analyse comparative physical properties presented in form of a table.
Explain the trend in the physical properties given. |
The periodic table.
|
K.L.B. BOOK II P. 77
|
|
| 5 | 2-3 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in period 3.
|
By the end of the
lesson, the learner
should be able to:
To compare other physical properties of elements across period 3. |
Analyse comparative physical properties presented in form of a table.
Explain the trend in the physical properties given. |
The periodic table.
|
K.L.B. BOOK II P. 77
|
|
| 5 | 4 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Chemical properties of elements in period 3.
|
By the end of the
lesson, the learner
should be able to:
To compare reactions of elements in period 3 with oxygen. |
Q/A: Products of reactions of Na, Mg, Al, P, & S with oxygen.
Discuss the trend in their reactivity; identify basic and acidic oxides. Exercise ? balanced chemical equations for the above reactions. |
The periodic table.
|
K.L.B. BOOK II PP. 79-80
|
|
| 5 | 5 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Chemical properties of elements in the third period.
|
By the end of the
lesson, the learner
should be able to:
To compare reactions of elements in period 3 with water |
Q/A: Review reaction of sodium, Mg, chlorine, with water.
Infer that sodium is most reactive metal; non-metals do not react with water. |
The periodic table.
|
K.L.B. BOOK II PP. 80-81
|
|
| 6 | 1 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Oxides of period 3 elements.
|
By the end of the
lesson, the learner
should be able to:
To identify bonds across elements in period 3. To explain chemical behavior of their oxide. |
Comparative analysis, discussion and explanation.
|
The periodic table.
|
K.L.B. BOOK II P. 84
|
|
| 6 | 2-3 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Oxides of period 3 elements.
Chlorides of period 3 elements. |
By the end of the
lesson, the learner
should be able to:
To identify bonds across elements in period 3. To explain chemical behavior of their oxide. To explain chemical behavior of their chlorides. To describe hydrolysis reaction. |
Comparative analysis, discussion and explanation.
|
The periodic table.
|
K.L.B. BOOK II P. 84
K.L.B. BOOK II PP. 77-78 |
|
| 6 | 4 |
SALTS
|
Types of salts.
|
By the end of the
lesson, the learner
should be able to:
Define a salt. Describe various types of salts and give several examples in each case. |
Descriptive approach. Teacher exposes new concepts.
|
text book
|
K.L.B. BOOK II P. 91
|
|
| 6 | 5 |
SALTS
|
Solubility of salts in water.
|
By the end of the
lesson, the learner
should be able to:
To test solubility of various salts in cold water/warm water. |
Class experiments- Dissolve salts in 5 cc of water.
Record the solubility in a table, Analyse the results. |
Sulphates, chlorides, nitrates, carbonates of various metals.
|
K.L.B. BOOK II PP. 92-93
|
|
| 7 | 1 |
SALTS
|
Solubility of bases in water.
|
By the end of the
lesson, the learner
should be able to:
To test solubility of various bases in water. To carry out litmus test on the resulting solutions. |
Class experiments- Dissolve salts in 5cc of water.
Record the solubility in a table, Carry out litmus tests. Discuss the results. |
Oxides, hydroxides, of various metals, litmus papers.
|
K.L.B. BOOK IIPP. 94-95
|
|
| 7 | 2-3 |
SALTS
|
Solubility of bases in water.
|
By the end of the
lesson, the learner
should be able to:
To test solubility of various bases in water. To carry out litmus test on the resulting solutions. |
Class experiments- Dissolve salts in 5cc of water.
Record the solubility in a table, Carry out litmus tests. Discuss the results. |
Oxides, hydroxides, of various metals, litmus papers.
|
K.L.B. BOOK IIPP. 94-95
|
|
| 7 | 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
|
|
| 7 | 5 |
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
|
|
| 8 | 1 |
SALTS
|
Direct synthesis of a salts.
|
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. |
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. |
Iron,
Sulphur |
K.L.B. BOOK II P. 104
|
|
| 8 | 2-3 |
SALTS
|
Direct synthesis of a salts.
|
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. |
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. |
Iron,
Sulphur |
K.L.B. BOOK II P. 104
|
|
| 8 | 4 |
SALTS
|
Direct synthesis of a salts.
|
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. |
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. |
Iron,
Sulphur |
K.L.B. BOOK II P. 104
|
|
| 8 | 5 |
SALTS
|
Ionic equations.
|
By the end of the
lesson, the learner
should be able to:
To identify spectator ions in double decomposition reactions. To write ionic equations correctly. |
Q/A: Ions present in given reactants.
Deduce the products of double decomposition reactions. Give examples of equations. Supervised practice. |
PbNO3, MgSO4 solutions.
|
K.L.B. BOOK II
|
|
| 9 |
Midterm break |
|||||||
| 10 | 1 |
SALTS
|
Effects of heat on carbonates.
|
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.
|
K.L.B. BOOK II PP. 108-109
|
|
| 10 | 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. To state effects of heat on nitrates. To predict products resulting from heating metal nitrates. |
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. Group experiments- To investigate effects of heat on various metal nitrates. 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
K.L.B. BOOK II PP. 110-111 |
|
| 10 | 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
|
|
| 10 | 5 |
SALTS
|
Hygroscopy, Deliquescence and Efflorescence.
|
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. |
Prepare a sample of various salts.
Expose them to the atmosphere overnight. Students classify the salts as hygroscopic, deliquescent and / or efflorescent. |
|
K.L.B. BOOK II P. 114
|
|
| 11 | 1 |
SALTS
|
Uses of salts.
|
By the end of the
lesson, the learner
should be able to:
To state uses of salts |
Teacher elucidates uses of salts.
|
|
K.L.B. BOOK II P. 114
|
|
| 11 | 2-3 |
SALTS
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES. |
Uses of salts.
Electrical conductivity. |
By the end of the
lesson, the learner
should be able to:
To state uses of salts To test for electrical conductivities of substances. |
Teacher elucidates uses of salts.
Group experiments- to identify conductors and non-conductors. Explain the difference in (non) conductivities. |
Various solids, bulb, battery, & wires. |
K.L.B. BOOK II P. 114
K.L.B. BOOK II PP. 118-119 |
|
| 11 | 4 |
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
|
|
| 11 | 5 |
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
|
|
| 12 | 1 |
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
|
|
| 12 | 2-3 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Aqueous electrolytes.
Electrodes.
Reaction on 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 describe half- equation reactions at the cathode and anode |
To investigate chemical effect of an electric current.
Classify the solutions as electrolyte or non -electrolytes. Discuss the electrical properties of the solutions. 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 bulb. Graphite electrodes Battery Various aqueous solutions switch. |
K.L.B. BOOK II PP.122-123
K.L.B. BOOK II PP.126-127 |
|
| 12 | 4 |
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
|
|
| 12 | 5 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Binary electrolyte.
|
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. |
Completing a table of electrolysis of binary electrolytes.
|
text book
|
K.L.B. BOOK II P.127
|
|
| 13 | 1 |
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
|
|
| 13 | 2-3 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Application of electrolysis.
Electroplating. |
By the end of the
lesson, the learner
should be able to:
To state application of electrolysis. To describe electroplating process. |
Discussion and explanations.
Experiment- Left overnight. Electroplating an iron nail with silver nitrate/ copper sulphate. Brief discussion. |
text book
Silver nitrate Iron nail Complete circuit battery. |
K.L.B. BOOK II P. 128
K.L.B. BOOK II PP. 129-30 |
|
Your Name Comes Here