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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 |
Opening and revision of end of term two exams |
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| 2 | 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 |
|
| 2 | 3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Reduction properties of carbon.
Reaction of carbon with acids. Preparation of CO2. |
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
Conc. HNO3, limewater. |
K.L.B. BOOK II P.126
|
|
| 2 | 4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Properties of CO2.
|
By the end of the
lesson, the learner
should be able to:
Describe properties of CO2 |
Simple experiments to determine properties of CO2.
Discuss the observations. |
Lime water,
Magnesium ribbon, Universal indicator, lit candle. |
K.L.B. BOOK II PP.138-139
|
|
| 3 | 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 |
|
| 3 | 3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Carbon monoxide lab preparation.
Chemical properties of carbon monoxide. |
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
|
|
| 3 | 4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Carbonates and hydrogen carbonates.
Heating 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
|
|
| 4 | 1-2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Extraction of sodium carbonate from trona.
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. Discuss each step of the process. Write relevant equations. |
text book
text book, chart |
K.L.B. BOOK II PP. 153-157
|
|
| 4 | 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
|
|
| 4 | 4 |
GAS LAWS
|
Boyle's Law - Introduction and Experimental Investigation
|
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 Investigate the relationship between pressure and volume of a fixed mass of gas Plot graphs to illustrate Boyle's law |
Teacher demonstration: Use bicycle pump to show volume-pressure relationship. Students observe force needed to compress gas. Q/A: Review kinetic theory. Class experiment: Investigate pressure-volume relationship using syringes. Record observations in table format. Discuss observations using kinetic theory.
|
Bicycle pump, Syringes, Gas jars, Chart showing volume-pressure relationship
|
KLB Secondary Chemistry Form 3, Pages 1-3
|
|
| 5 | 1-2 |
GAS LAWS
|
Boyle's Law - Mathematical Expression and Graphical Representation
|
By the end of the
lesson, the learner
should be able to:
Express Boyle's law mathematically Apply the equation PV = constant Plot and interpret pressure vs volume graphs Plot pressure vs 1/volume graphs |
Q/A: Recall previous lesson observations. Teacher exposition: Derive P₁V₁ = P₂V₂ equation from experimental data. Students plot graphs of pressure vs volume and pressure vs 1/volume. Analyze graph shapes and interpret mathematical relationship.
|
Graph papers, Scientific calculators, Chart showing mathematical expressions
|
KLB Secondary Chemistry Form 3, Pages 3-4
|
|
| 5 | 3 |
GAS LAWS
|
Boyle's Law - Numerical Problems and Applications
|
By the end of the
lesson, the learner
should be able to:
Solve numerical problems involving Boyle's law Convert between different pressure units Apply Boyle's law to real-life situations Calculate volumes and pressures using P₁V₁ = P₂V₂ |
Worked examples: Demonstrate step-by-step problem solving. Supervised practice: Students solve problems involving pressure and volume calculations. Convert units (mmHg, atm, Pa). Discuss applications in tire inflation, aerosol cans. Assignment: Additional practice problems.
|
Scientific calculators, Worked example charts, Unit conversion tables
|
KLB Secondary Chemistry Form 3, Pages 4-5
|
|
| 5 | 4 |
GAS LAWS
|
Boyle's Law - Numerical Problems and Applications
|
By the end of the
lesson, the learner
should be able to:
Solve numerical problems involving Boyle's law Convert between different pressure units Apply Boyle's law to real-life situations Calculate volumes and pressures using P₁V₁ = P₂V₂ |
Worked examples: Demonstrate step-by-step problem solving. Supervised practice: Students solve problems involving pressure and volume calculations. Convert units (mmHg, atm, Pa). Discuss applications in tire inflation, aerosol cans. Assignment: Additional practice problems.
|
Scientific calculators, Worked example charts, Unit conversion tables
|
KLB Secondary Chemistry Form 3, Pages 4-5
|
|
| 6 | 1-2 |
GAS LAWS
|
Charles's Law - Introduction and Temperature Scales
Charles's Law - Experimental Investigation and Mathematical Expression |
By the end of the
lesson, the learner
should be able to:
State Charles's law Convert temperatures between Celsius and Kelvin scales Define absolute zero temperature Explain the concept of absolute temperature Investigate relationship between volume and temperature Express Charles's law mathematically Plot volume vs temperature graphs Extrapolate graphs to find absolute zero |
Teacher demonstration: Flask with colored water column experiment. Q/A: Observe volume changes with temperature. Exposition: Introduce Kelvin scale and absolute zero concept. Practice: Temperature conversions between °C and K. Discuss absolute zero and ideal gas concept.
Class experiment: Volume-temperature relationship using flask and capillary tube. Record data at different temperatures. Plot graphs: volume vs temperature (°C) and volume vs absolute temperature (K). Extrapolate graph to find absolute zero. Derive V₁/T₁ = V₂/T₂ equation. |
Round-bottomed flask, Narrow glass tube, Colored water, Rubber bung, Hot and cold water baths
Glass apparatus, Thermometers, Graph papers, Water baths at different temperatures |
KLB Secondary Chemistry Form 3, Pages 6-8
KLB Secondary Chemistry Form 3, Pages 8-10 |
|
| 6 | 3 |
GAS LAWS
|
Charles's Law - Experimental Investigation and Mathematical Expression
|
By the end of the
lesson, the learner
should be able to:
Investigate relationship between volume and temperature Express Charles's law mathematically Plot volume vs temperature graphs Extrapolate graphs to find absolute zero |
Class experiment: Volume-temperature relationship using flask and capillary tube. Record data at different temperatures. Plot graphs: volume vs temperature (°C) and volume vs absolute temperature (K). Extrapolate graph to find absolute zero. Derive V₁/T₁ = V₂/T₂ equation.
|
Glass apparatus, Thermometers, Graph papers, Water baths at different temperatures
|
KLB Secondary Chemistry Form 3, Pages 8-10
|
|
| 6 | 4 |
GAS LAWS
|
Charles's Law - Numerical Problems and Applications
|
By the end of the
lesson, the learner
should be able to:
Solve numerical problems using Charles's law Apply V₁/T₁ = V₂/T₂ in calculations Predict gas behavior with temperature changes Relate Charles's law to everyday phenomena |
Worked examples: Step-by-step problem solving with temperature conversions. Supervised practice: Calculate volumes at different temperatures. Discuss applications: hot air balloons, tire pressure changes, weather balloons. Assignment: Practice problems with real-life contexts.
|
Scientific calculators, Temperature conversion charts, Application examples
|
KLB Secondary Chemistry Form 3, Pages 10-12
|
|
| 7 | 1-2 |
GAS LAWS
|
Combined Gas Law and Standard Conditions
|
By the end of the
lesson, the learner
should be able to:
Derive the combined gas law equation Apply PV/T = constant in problem solving Define standard temperature and pressure (s.t.p) Define room temperature and pressure (r.t.p) |
Q/A: Combine Boyle's and Charles's laws. Teacher exposition: Derive P₁V₁/T₁ = P₂V₂/T₂. Define s.t.p (273K, 760mmHg) and r.t.p (298K, 760mmHg). Worked examples: Problems involving changes in all three variables. Supervised practice: Complex gas law calculations.
|
Scientific calculators, Combined law derivation charts, Standard conditions reference table
|
KLB Secondary Chemistry Form 3, Pages 12-14
|
|
| 7 | 3 |
GAS LAWS
|
Introduction to Diffusion - Experimental Investigation
|
By the end of the
lesson, the learner
should be able to:
Define diffusion process Investigate diffusion in liquids and gases Compare rates of diffusion in different media Explain diffusion using kinetic theory |
Class experiments: (a) KMnO₄ crystal in water - observe spreading over time. (b) Bromine vapor in gas jars - observe color distribution. (c) Ammonia gas in combustion tube with litmus paper. Record observations over time. Discuss particle movement and kinetic energy.
|
KMnO₄ crystals, Bromine liquid, Gas jars, Combustion tube, Litmus papers, Stopwatch
|
KLB Secondary Chemistry Form 3, Pages 14-16
|
|
| 7 | 4 |
GAS LAWS
|
Rates of Diffusion - Comparative Study
|
By the end of the
lesson, the learner
should be able to:
Compare diffusion rates of different gases Investigate factors affecting diffusion rates Measure relative distances covered by diffusing gases Calculate rates of diffusion using distance and time data |
Class experiment: Ammonia and HCl diffusion in glass tube. Insert cotton wool soaked in concentrated NH₃ and HCl at opposite ends. Time the formation of white NH₄Cl ring. Measure distances covered by each gas. Calculate rates: distance/time. Compare molecular masses of NH₃ and HCl.
|
Glass tube (25cm), Cotton wool, Concentrated NH₃ and HCl, Stopwatch, Ruler, Safety equipment
|
KLB Secondary Chemistry Form 3, Pages 16-18
|
|
| 8 | 1-2 |
GAS LAWS
|
Graham's Law of Diffusion - Theory and Mathematical Expression
|
By the end of the
lesson, the learner
should be able to:
State Graham's law of diffusion Express Graham's law mathematically Relate diffusion rate to molecular mass and density Explain the inverse relationship between rate and √molecular mass |
Teacher exposition: Graham's law statement and mathematical derivation. Discussion: Rate ∝ 1/√density and Rate ∝ 1/√molecular mass. Derive comparative expressions for two gases. Explain relationship between density and molecular mass. Practice: Identify faster diffusing gas from molecular masses.
|
Graham's law charts, Molecular mass tables, Mathematical derivation displays
|
KLB Secondary Chemistry Form 3, Pages 18-20
|
|
| 8 | 3 |
GAS LAWS
|
Graham's Law - Numerical Applications and Problem Solving
|
By the end of the
lesson, the learner
should be able to:
Solve numerical problems using Graham's law Calculate relative rates of diffusion Determine molecular masses from diffusion data Compare diffusion times for equal volumes of gases |
Worked examples: Calculate relative diffusion rates using √(M₂/M₁). Problems involving time comparisons for equal volumes. Calculate unknown molecular masses from rate data. Supervised practice: Various Graham's law calculations. Real-life applications: gas separation, gas masks.
|
Scientific calculators, Worked example charts, Molecular mass reference tables
|
KLB Secondary Chemistry Form 3, Pages 20-22
|
|
| 8 | 3-4 |
GAS LAWS
|
Graham's Law - Numerical Applications and Problem Solving
|
By the end of the
lesson, the learner
should be able to:
Solve numerical problems using Graham's law Calculate relative rates of diffusion Determine molecular masses from diffusion data Compare diffusion times for equal volumes of gases |
Worked examples: Calculate relative diffusion rates using √(M₂/M₁). Problems involving time comparisons for equal volumes. Calculate unknown molecular masses from rate data. Supervised practice: Various Graham's law calculations. Real-life applications: gas separation, gas masks.
|
Scientific calculators, Worked example charts, Molecular mass reference tables
|
KLB Secondary Chemistry Form 3, Pages 20-22
|
|
| 9 |
End year Examination |
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