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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
GAS LAWS
|
Boyle?s law.
|
By the end of the
lesson, the learner
should be able to:
State Boyle?s law. Explain Boyle?s law using kinetic theory of matter. |
Teacher demonstration ? Use syringes / pumps to show variation of volume with pressure.
Teacher asks probing questions leading to statement of the law. Discuss the cause of build-up-in pressure. |
Chart
Volume-pressure relationship. Syringes. |
K.L.B. BK III
PP. 1-2 Longhorn Book III PP 1 -2 |
|
| 2 | 2 |
GAS LAWS
|
Boyle?s law: -
Equation and graphical representation.
|
By the end of the
lesson, the learner
should be able to:
Represent Boyle?s law mathematically and graphically. |
Q/A: relation between volume and pressure mathematically and graphically.
Derive the relation P1V1=P2V2, and sketch graphs to illustrate Boyle?s law. Worked examples. Assignment. |
chart
|
K.L.B. BK III
PP. 3-4 Longhorn Book III PP 3-5 |
|
| 2 | 3 |
GAS LAWS
|
Boyle?s law:
Numerical questions.
|
By the end of the
lesson, the learner
should be able to:
Solve further problems involving Boyle?s law. |
Supervised exercise: Volume in cm?, m?, litres, and pressure in Pa, mmHg, cmHg, atmospheres.
Assignment. |
Calculators.
|
K.L.B. BK III
PP. 4-5 Longhorn Book III PP 6-8 |
|
| 2 | 4-5 |
GAS LAWS
|
Boyle?s law:
Interpretation of graphs.
Charles? law. |
By the end of the
lesson, the learner
should be able to:
Plot and intepret graphs involving pressure and volume of gases. State Charles? law. Explain Charles? law using kinetic theory of matter. |
Completing tables and plotting graphs.
Interpret the plotted graphs. Make deductions from the graphs. Teacher demonstration:- To show expansion of air when heated and contraction when pressure is constant. Explain increase in volume when temperature is raised. Q/A: - relation between volume and temperature, leading to Charles? law. |
Graph papers.
Coloured water, Glass tube, Warm water, Cork and Flask. |
K.L.B.
BK III PP. 4-5 .K.L.B. BK III P. 6 Longhorn Book III PP 9-11 |
|
| 3 | 1 |
GAS LAWS
|
Temperature in Degree Celsius and Kelvin.
Equation and graphs from Charles? law.
|
By the end of the
lesson, the learner
should be able to:
Convert temperature in degree Celsius to Kelvin and vice-versa. |
Teacher explains inter-conversion of the units.
Students complete a table of temperature in the two units. |
student book
|
K.L.B.
BK III P. 10 Longhorn Book III P 11 |
|
| 3 | 2 |
GAS LAWS
|
Temperature in Degree Celsius and Kelvin.
Equation and graphs from Charles? law.
|
By the end of the
lesson, the learner
should be able to:
Convert temperature in degree Celsius to Kelvin and vice-versa. |
Teacher explains inter-conversion of the units.
Students complete a table of temperature in the two units. |
student book
|
K.L.B.
BK III P. 10 Longhorn Book III P 11 |
|
| 3 | 3 |
GAS LAWS
|
Charles? law- equation and graphical representation.
|
By the end of the
lesson, the learner
should be able to:
Express Charles? law with equations. Give a graphical representation of Charles? law. |
Derive equations from volume and temperature relationship.
Exposition: - Teacher exposes a volume-temperature graph and extrapolates it to obtain the absolute temperature. The definition of absolute temperature is exposed. |
student book
|
K.L.B. BK III PP. 6-7 Longhorn Book III P 10 |
|
| 3 | 4-5 |
GAS LAWS
|
Numerical questions on Charles? Law.
Combined Gas Law. |
By the end of the
lesson, the learner
should be able to:
Solve numerical problems based on Charles? Law. Derive the Gas Law. Derive the combined gas law equation. Solve numerical problems using the equation. |
Worked examples.
Supervised exercise. Assignment. Q/A: - Combining Boyle?s and Charles? Laws. Worked examples. |
Calculators.
|
K.L.B.
BK III P. 12 Longhorn Book III PP 12-14 K.L.B. BK III P. 12 Longhorn Book III PP 14-16 |
|
| 4 | 1 |
GAS LAWS
|
Standard conditions,
S.T.P. conditions and R.T.P. conditions.
|
By the end of the
lesson, the learner
should be able to:
State standard conditions of temperature and pressure of an ideal gas. State room temperature and pressure of a gas. Use standard conditions in problem solving. |
Exposition of s.t.p. and r.t.p.
Problem solving. |
student book
|
K.L.B. BK III P. 14 |
|
| 4 | 2 |
GAS LAWS
|
Diffusion.
|
By the end of the
lesson, the learner
should be able to:
Define diffusion. Describe experiments to show diffusion. |
Group experiments. Diffusion of KMnO4 crystals, concentrated ammonia solution. |
KMnO4 crystals, Litmus papers. |
K.L.B. BK III PP. 14-15 Longhorn Book III P 19 |
|
| 4 | 3 |
GAS LAWS
|
Rates of diffusion.
|
By the end of the
lesson, the learner
should be able to:
Compare rates of diffusion of ammonia gas and hydrogen chloride in air. |
Teacher demonstration: - To deduce rate of diffusion of ammonia gas and hydrogen chloride.
Q/A: - Students calculate ratio of rates of diffusion of the gases. |
student book
|
K.L.B.
BK III PP. 18-19 Longhorn Book III 21 |
|
| 4 | 4-5 |
GAS LAWS
THE MOLE |
Graham?s Law.
Moles and Avogadro?s number. |
By the end of the
lesson, the learner
should be able to:
Carry out numerical tasks. Calculate number of particles in a given number of moles. |
Solve problems involving RMM, equal volumes of the gases involved.
Supervised practice. Assignment. Review standard form of numbers. Worked examples. Supervised exercise. |
Calculators
Calculators. |
K.L.B. BK III
PP. 24-26 Longhorn Book III PP 22-24 K.L.B.BK III PP. 3132 Longhorn Book III PP 30-31 |
|
| 5 |
RAT |
|||||||
| 6 | 1 |
THE MOLE
|
Concentration of a solution.
|
By the end of the
lesson, the learner
should be able to:
Define concentration of a solution. Find concentration of a solution in grams/litre and moles/litre. |
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre. Worked examples on concentration of solutions. |
chart
|
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 |
|
| 6 | 2 |
THE MOLE
|
Molarity of a solution.
Calculators on molar solutions. |
By the end of the
lesson, the learner
should be able to:
Define molarity of a solution. Find molarity of a solution in M/dm? Solve numerical calculations on molar solutions. Problems on molar solutions. |
Teacher explains that molarity of a solution is given in moles of the solute per litre.
Worked examples. Supervised exercise. Assignment. |
student book
|
K.L.B. BK III
PP. 48-49 Longhorn Book III PP 76-81 |
|
| 6 | 3 |
THE MOLE
|
Dilution of solutions.
|
By the end of the
lesson, the learner
should be able to:
Calculate molarity of a solution after dilution. |
Group experiments.
Calculations. |
student book
|
K.L.B. BK III
PP. 76-81 |
|
| 6 | 4-5 |
THE MOLE
|
Stoichiometry of a chemical reaction.
Stoichiometric equations. |
By the end of the
lesson, the learner
should be able to:
To determine mole ratio of given reactions. To define a stoichiometric equation. |
Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal.
To write stoichiometric equations of the above reactions. |
CuSO4 solution and iron metal.
student book |
K.L.B. BK III
P. 56 Longhorn Book III PP 87-92 K.L.B. BK III Longhorn Book III PP 14-16 PP. 88-93 |
|
| 7 | 1 |
THE MOLE
|
Stoichiometric equations of various reactions.
|
By the end of the
lesson, the learner
should be able to:
To investigate and determine Stoichiometric equations of various reactions. |
Class experiments.
Problem solving. |
student book
|
K.L.B. BK III
P. 62 |
|
| 7 | 2 |
THE MOLE
|
Stoichiometric equations of various reactions.
|
By the end of the
lesson, the learner
should be able to:
To investigate and determine Stoichiometric equations of various reactions. |
Class experiments.
Problem solving. |
student book
|
K.L.B. BK III
P. 62 |
|
| 7 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Extraction of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To describe extraction of sulphur by Frasch process. |
Illustrate and discuss extraction of sulphur. |
Chart-the Frasch process.
|
K.L.B. BK III
PP.180-181 Longhorn Book III PP 126-129 |
|
| 7 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Allotropes of sulphur.
Physical properties of sulphur. Heating of sulphur. |
By the end of the
lesson, the learner
should be able to:
To identify allotropes of sulphur. To describe preparation of allotropes of sulphur. To list physical properties of sulphur. To describe effects of heat on sulphur. |
Discussion and exposition of new concepts.
Class experiment: Solubility of sulphur in water, benzene, e.t.c,. Class experiments: Heating sulphur gently then strongly. Discuss the observations. |
video
charts |
K.L.B. BK III
PP. 182-183 Longhorn Book PP 126-129 K.L.B. BK III P.184 Longhorn I Book III PP 253-255 |
|
| 8 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To investigate and describe chemical properties of sulphur. |
Group experiments.
Discuss observations. Write corresponding equations. |
charts
|
K.L.B.BK III
PP.188-190 Longhorn Book III PP 256-8 |
|
| 8 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Uses of sulphur.
Sulphur dioxide.
|
By the end of the
lesson, the learner
should be able to:
State uses of sulphur. Describe lab. preparation of sulphur dioxide. |
Teacher elucidates uses of sulphur.
Teacher demonstration:- Preparation of sulphur dioxide in a fume chamber/in the open. Carrying out tests on the gas. |
charts
|
K.L.B.BK III
PP 191- 192 Longhorn Book P 258 |
|
| 8 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Physical properties of sulphur dioxide.
|
By the end of the
lesson, the learner
should be able to:
To list down physical properties of sulphur dioxide. |
Discuss the above tests.
|
text book
|
K.L.B.BK III
PP 193 Longhorn Book III PP 262-3 |
|
| 8 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Acidic properties of SO2.
Reducing action of SO2. |
By the end of the
lesson, the learner
should be able to:
To carry out experiments to determine acidic properties of SO2. To verify reducing action of SO2. |
Teacher demonstration to verify acidic properties of sulphur dioxide.
Write equations. Class experiments: make observations and draw conclusions. Write balanced corresponding equations. |
textbook
Experimental worksheets. |
K.L.B.BK III
P. 193 Longhorn Book III PP 262-3 K.L.B.BK III P. 195 |
|
| 9 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Bleaching properties of SO2.
|
By the end of the
lesson, the learner
should be able to:
To carry out experiments to determine bleaching properties of SO2. |
Discuss the observations made above.
Write corresponding equations. |
|
K.L.B .BK III
P. 194 Longhorn Book III PP 263-4 |
|
| 9 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Bleaching properties of SO2.
|
By the end of the
lesson, the learner
should be able to:
To carry out experiments to determine bleaching properties of SO2. |
Discuss the observations made above.
Write corresponding equations. |
|
K.L.B .BK III
P. 194 Longhorn Book III PP 263-4 |
|
| 9 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Oxidizing action of SO2.
Sulphate and sulphite ions. Uses of SO2. |
By the end of the
lesson, the learner
should be able to:
To explain Oxidizing action of SO2. To carry out tests for Sulphate and sulphite ions. State uses of SO2. |
Q/A: review redox reactions.
Teacher demonstration: - Lowering magnesium into a jar of SO2; effect of SO2 on hydrogen sulphide. Discuss observations. Write equations for the reactions. Class experiments. Make deductions from the observations made. Write (ionic) equations for the reactions. Teacher elucidates uses of SO2. |
Burning magnesium.
Hydrogen sulphide. Sodium sulphate Barium chloride Barium nitrate. |
K.L.B.
BK III PP. 198-199 Longhorn Book III PP 266-7 |
|
| 9 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Sulphuric acid.
Contact process of manufacture.
|
By the end of the
lesson, the learner
should be able to:
To identify raw materials for manufacture of sulphuric acid. To describe the contact process. |
Discussion using schematic
flow charts. Writing equations. |
Chart-schematic
Flow charts. |
K.L.B. BK III PP.201-203 Longhorn Book III PP 275-6 |
|
| 10 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Properties of conc. H2SO4.
|
By the end of the
lesson, the learner
should be able to:
Describe properties of conc. H2SO4. |
Discuss above observations.
Write relevant equations. |
charts
|
K.L.B.
BK III P. 204 |
|
| 10 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Physical properties of sulphuric acid.
|
By the end of the
lesson, the learner
should be able to:
To dilute conc. sulphuric acid. State physical properties of sulphuric acid. |
Teacher demonstration ? diluting conc. sulphuric acid.
Discuss use of conc. sulphuric acid as a drying and dehydrating agent. |
Conc. sulphuric acid.
|
K.L.B.
BK III P. 205 Longhorn Book III PP 274-5 |
|
| 10 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of Sulphuric acid.
|
By the end of the
lesson, the learner
should be able to:
To write equations to show that conc. sulphuric acid is a drying and dehydrating agent. To describe reactions of dilute H2SO4 with metals. |
Discussion and explanations.
Group expts. ? reaction of metals with dilute H2SO4, make observations and relevant deductions; writing corresponding equations. |
Magnesium, zinc, copper metals.
|
K.L.B.
BK III P. 206 Longhorn Book III PP 276-8 |
|
| 10 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4, carbonates and hydrogen carbonates.
Dilute H2SO4, and metal oxides and hydroxides. |
By the end of the
lesson, the learner
should be able to:
To describe reaction of dilute H2SO4 with carbonates and hydrogen carbonates. To investigate reaction of dilute H2SO4 with metal oxides and hydroxides. |
Discussion, writing relevant equations.
Class expts. Observing colour changes. |
charts
Oxides of magnesium, zinc, copper. NaOH Solution. |
K.L.B. BK III P. 208 K.L.B. BK III P. 210 Longhorn Book III PP 287-8 |
|
| 11 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4 and metal oxides & hydroxides.
|
By the end of the
lesson, the learner
should be able to:
To explain reactions of dilute H2SO4 with metal oxides and hydroxides. |
Discussion, writing relevant chemical equations.
|
charts
|
K.L.B. BK III P. 211 |
|
| 11 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4 and metal oxides & hydroxides.
|
By the end of the
lesson, the learner
should be able to:
To explain reactions of dilute H2SO4 with metal oxides and hydroxides. |
Discussion, writing relevant chemical equations.
|
charts
|
K.L.B. BK III P. 211 |
|
| 11 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Hydrogen sulphide.
Preparation of the gas.
Reaction of the gas with oxygen.
|
By the end of the
lesson, the learner
should be able to:
To describe preparation of hydrogen sulphide. To state properties of the gas. |
Theoretical / descriptive approach.
Writing corresponding equations. Discuss physical properties of the gas and reaction of the gas with oxygen. |
charts
|
K.L.B.
BK III P. 210 Longhorn Book III PP 289-90 |
|
| 11 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Reaction of the gas with water.
Reducing properties of the gas.
|
By the end of the
lesson, the learner
should be able to:
To write equations for reaction of the gas with water. To demonstrate reducing properties of the gas. |
Writing chemical equations for the reactions.
|
charts
|
K.L.B.
BK III P. 212. Longhorn Book III PP 291-2 |
|
| 12 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Sulphur and its effects on the environment.
|
By the end of the
lesson, the learner
should be able to:
To explain environmental pollution caused by sulphur and its compounds. |
Discussion and explanation.
|
charts
|
K.L.B.
BK III P. 214 Longhorn Book PP 293-5 |
|
| 12 | 2 |
RADIOACTIVITY
|
Definition of radioactivity.
|
By the end of the
lesson, the learner
should be able to:
Define radioactivity, a nuclide and radioactive decay. Differentiate between natural and artificial radioactivity. |
Q/A: Review the atomic structure. Exposition: symbolic representation of an atom / nucleus. Exposition: meaning of radioactivity and radioactive decay. Discussion: artificial and natural radioactivity. |
student book
|
K.L.B. BK IV
Pages 249-251 |
|
| 12 | 3 |
RADIOACTIVITY
|
Alpha particles.
Equations involving alpha particles. |
By the end of the
lesson, the learner
should be able to:
State properties of alpha particles. Describe methods of detecting alpha particles. Write down and balance equations involving alpha particles. |
Q/A: position of helium in the periodic table.
Expository approach: Q/A: Review atomic and mass numbers. Examples of balanced equations. Supervised practice. |
student book
|
K.L.B. BK IV
Pages 251-253 |
|
| 12 | 4-5 |
RADIOACTIVITY
|
Beta particles.
Gamma rays.
Radioactive Half-Life. Radioactive decay curve. Nuclear fusion and nuclear fission. Applications of radioactivity. |
By the end of the
lesson, the learner
should be able to:
State properties of beta particles. Define isotopes and isobars. Write down balanced equations involving both alpha and beta particles. State properties of gamma rays. Define the term radioactive half-life. Solve problems relating to half ?life Plot a radioactive decay curve to deduce the half ?life from the curve. Differentiate between nuclear fusion and nuclear fission. Describe applications of radioactivity. |
Q/A: Review isotopes.
Expository approach: teacher briefly exposes new concepts. Examples of equations. Supervised practice. Assignment. Teacher demonstration: Dice experiment. Exposition of the term half-life. Worked examples. Written exercise Drawing a radioactive decay curve inferring the half-life of the sample from the graph. Exposition of new concepts accompanied by nuclear equations. Brief discussion: Carbon dating, detecting leakage, medication, agriculture, industry; effect of static charges, etc. |
student book
Dice. Graph papers. student book |
K.L.B. BK IV
Pages 251-253 K.L.B. BK IV Pages 254-5 |
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