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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 |
AIR AND COMBUSTION
|
Fractional distillation of liquid air.
|
By the end of the lesson, the learner should be able to:
Describe fractional distillation of liquid air. |
Q/A to review fractional distillation;
Discuss flow diagram. |
Flowchart.
|
K.L.B.
BOOK I PP 75-76 |
|
| 1 | 2-3 |
AIR AND COMBUSTION
|
Lab preparation of oxygen.
Burning metals in air (oxygen) Products of burning metals in air. |
By the end of the lesson, the learner should be able to:
Prepare oxygen in the lab. State physical properties of oxygen. State how metals burn in air. Identify products of burning metals in air. |
Teacher demonstration / group expts;
Questioning; Discussion. Teacher demonstration; Write equations. Group experiments; Testing for products; Write chemical equations. |
Sodium peroxide, manganese (IV) oxide, potassium permanganate.
Sodium, calcium, magnesium, iron, copper. Weighing balance. |
K.L.B.
BOOK I PP. 78-79 K.L.B. BOOK I PP. 82-83, P. 85 |
|
| 1 | 4 |
AIR AND COMBUSTION
|
Reactivity series.
Burning non-metals in air (oxygen) |
By the end of the lesson, the learner should be able to:
Recall the reactivity series for some metals. Identify products of burning non-metals in air. |
Questioning;
Discussion. Teacher demonstration; Write equations. |
Chart- reactivity series for metals.
Carbon, sulphur, phosphorus. |
K.L.B.
BOOK I P. 83 |
|
| 2 | 1 |
AIR AND COMBUSTION
|
Competition for oxygen.
|
By the end of the lesson, the learner should be able to:
Describe redox reactions. Write equations for redox reactions. State applications of redox reactions. |
Q/A to review redox reactions;
Teacher demonstrations; Discussion. Write equations. |
Metals and metal oxides.
|
K.L.B.
BOOK I PP. 86-87 |
|
| 2 | 2-3 |
AIR AND COMBUSTION
WATER AND HYDROGEN |
Reactivity series based on redox reactions,
Uses of oxygen.
Environmental pollution.
Burning candle wax in air. Reaction of cold water with metals. |
By the end of the lesson, the learner should be able to:
Recall the reactivity series. State uses of oxygen. Discuss environmental pollution. Test for the products of burning candle wax in air. Identify products of reaction of cold water with metals. |
Q/A to review redox reactions;
Open discussion. Teacher demonstrations; Discussion. Teacher demonstrations; Discussion; Write equations. |
TEXT BOOK
Candles, lime water. Calcium, sodium grain. |
K.L.B.
BOOK I PP. 88-89 K.L.B. BOOK I PP. 92-94 |
|
| 2 | 4 |
WATER AND HYDROGEN
|
Reaction of steam with metals.
Hydrogen. - lab preparation. |
By the end of the lesson, the learner should be able to:
Identify products of reaction of steam with metals. Recall the reactivity series of metals based on reaction with water. Describe laboratory preparation of hydrogen. |
Teacher demonstrations;
Test for evolved gas; Discussion; Write equations. Review reactivity series. Discussion. |
Magnesium ribbon, sand, iron / steel wool.
Zinc granules, dil HCl, conc. sulphuric acid. |
K.L.B.
BOOK I PP. 94-96 |
|
| 3 |
OPENER EXAM |
|||||||
| 3 | 3 |
WATER AND HYDROGEN
|
Hydrogen.
- physical properties.
|
By the end of the lesson, the learner should be able to:
State physical properties of hydrogen. |
Probing questions and discussion.
|
Zinc granules,
dil HCl, conc. sulphuric acid, litmus papers. |
K.L.B.
BOOK I PP. 97-98 |
|
| 3 | 4 |
WATER AND HYDROGEN
|
Hydrogen as a reducing agent.
|
By the end of the lesson, the learner should be able to:
Describe an experiment to show reducing properties of hydrogen. |
Teacher demonstration;
Discussion; Write equations. |
Copper (II) oxide, anhydrous Copper (II) sulphate., dry hydrogen.
|
K.L.B.
BOOK I PP. 99-101 |
|
| 4 | 1 |
WATER AND HYDROGEN
|
Burning hydrogen in air.
Uses of hydrogen. |
By the end of the lesson, the learner should be able to:
Identify products of burning hydrogen in air. State uses of hydrogen. |
Teacher demonstration;
Discussion. Probing questions; Open discussion. |
Anhydrous calcium chloride,
hydrogen, U tube, ice cold water. TEXT BOOK |
K.L.B.
BOOK I PP. 101-102 |
|
| 4 | 2-3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Atomic and mass numbers.
First twenty elements of the periodic table. Isotopes. |
By the end of the lesson, the learner should be able to:
Name the subatomic particles in an atom. Define atomic number and mass number of an atom. Represent atomic and mass numbers symbolically. List the first twenty elements of the periodic table. Write chemical symbols of the first twenty elements of the periodic table. Define isotopes. Give examples of isotopes. |
Exposition on new concepts;
Probing questions; Brief discussion. Expository approach: referring to the periodic table, teacher exposes the first twenty elements. Writing down a list of first twenty elements of the periodic table. Exposition of definition and examples of isotopes. Giving examples of isotopes. |
text book
Periodic table. |
K.L.B.
BOOK II PP. 1-3 |
|
| 4 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Electronic configuration.
Electronic configuration in diagrams. |
By the end of the lesson, the learner should be able to:
Represent isotopes symbolically. Define an energy level. Describe electronic configuration in an atom. Represent electronic configuration diagrammatically. |
Exposition ? teacher exposes new concepts about electronic configuration.
Written exercise. Supervised practice; |
Periodic table.
text book |
K.L.B.
BOOK II P. 4 PP. 5-9 |
|
| 5 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Periods of the periodic table.
|
By the end of the lesson, the learner should be able to:
Identify elements of the same period. |
Exposition ? Definition of a period.
Q/A: Examples of elements of the same period. |
Periodic table.
|
K.L.B. BOOK IIP. 9
|
|
| 5 | 2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Groups of the periodic table.
|
By the end of the lesson, the learner should be able to:
Identify elements of the same period. |
Exposition ? definition of a group.
Q/A: examples of elements of the same group. |
Periodic table.
|
K.L.B. BOOK IIP. 9
|
|
| 5 | 2-3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Groups of the periodic table.
R.M.M. and isotopes. |
By the end of the lesson, the learner should be able to:
Identify elements of the same period. Calculate R.M.M. from isotopic composition. |
Exposition ? definition of a group.
Q/A: examples of elements of the same group. Supervised practice involving calculation of RMM from isotopic composition. |
Periodic table.
text book |
K.L.B. BOOK IIP. 9
K.L.B. BOOK IIPP. 11-13 |
|
| 5 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Positive ions and ion formation.
|
By the end of the lesson, the learner should be able to:
To define an ion and a cation. |
Teacher gives examples of stable atoms.
Guided discovery that metals need to lose one, two or three electrons to attain stability. Examples of positive ions. |
text book
|
K.L.B. BOOK IIPP 14-15
|
|
| 6 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Positive ions representation.
|
By the end of the lesson, the learner should be able to:
To represent formation of positive ions symbolically. |
Diagrammatic representation of cations.
|
Chart ion model.
|
K.L.B. BOOK IIP 16
|
|
| 6 | 2-3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Positive ions representation.
Negative ions and ion formation. |
By the end of the lesson, the learner should be able to:
To represent formation of positive ions symbolically. To define an anion. To describe formation of negative ions symbolically. |
Diagrammatic representation of cations.
Teacher gives examples of stable atoms. Guided discovery of formation of negative ions. Diagrammatic representation of anions. |
Chart ion model.
|
K.L.B. BOOK IIP 16
K.L.B. BOOK IIP 17 |
|
| 6 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencies of metals.
|
By the end of the lesson, the learner should be able to:
Recall valencies of metals among the first twenty elements in the periodic table. |
Q/A to review previous lesson;
Exposition; Guided discovery. |
Periodic table.
|
K.L.B. BOOK IIP 17
|
|
| 7 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencie of non-metals.
|
By the end of the lesson, the learner should be able to:
Recall valencies of non-metals among the first twenty elements in the periodic table. |
Q/A to review previous lesson;
Exposition; Guided discovery. |
Periodic table.
|
K.L.B. BOOK IIP 17
|
|
| 7 | 2-3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencies of radicals.
|
By the end of the lesson, the learner should be able to:
Define a radical. Recall the valencies of common radicals. |
Exposition ? teacher defines a radical, gives examples of radicals and exposes their valencies.
Students draw a table of radicals and their valencies. |
text book
|
K.L.B. BOOK IIP 18
|
|
| 7 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Oxidation number.
|
By the end of the lesson, the learner should be able to:
Define oxidation number. Predict oxidation numbers from position of elements in the periodic table. |
Q/A: Valencies.
Expose oxidation numbers of common ions. Students complete a table of ions and their oxidation numbers. |
The periodic table.
|
K.L.B. BOOK IIvP 18
|
|
| 8 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Electronic configuration, ion formed, valency and oxidation number
|
By the end of the lesson, the learner should be able to:
Relate electronic configuration, ion formed, valency and oxidation number of different elements. |
Written exercise;
Exercise review. |
text book
|
K.L.B. BOOK IIP 18
|
|
| 8-9 |
END OF YEAR EVALUATION |
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