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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
GASEOUS EXCHANGE
|
Gaseous exchange in insects.
|
By the end of the
lesson, the learner
should be able to:
To describe the mechanism of gaseous exchange in insects |
Drawing tracheal system of a grasshopper.
Discuss at length the structure of the tracheal system. Detailed discussion. |
text book
|
K.L.B. BOOK 2
PP. 53, 54 |
|
| 2 | 2-3 |
GASEOUS EXCHANGE
|
Gaseous exchange in insects.
|
By the end of the
lesson, the learner
should be able to:
To describe the mechanism of gaseous exchange in insects |
Drawing tracheal system of a grasshopper.
Discuss at length the structure of the tracheal system. Detailed discussion. |
text book
|
K.L.B. BOOK 2
PP. 53, 54 |
|
| 2 | 4 |
GASEOUS EXCHANGE
|
Breathing in insects.
|
By the end of the
lesson, the learner
should be able to:
To describe the breathing mechanism in an insect. |
Observe breathing movements of live specimens of grasshoppers, locusts or cockroaches.
|
Live specimens of insects,
Hand lenses, Boiling tubes. |
K.L.B. BOOK 2
P. 56 |
|
| 3 | 1 |
GASEOUS EXCHANGE
|
Number, position and shape of spiracles of insects.
|
By the end of the
lesson, the learner
should be able to:
To give an account of the number, position and shape of spiracles of insects. |
Drawing the abdomen and showing the position and shape of spiracles, and giving reasons thereof.
|
Live specimens of insects.
|
K.L.B. BOOK 2
P. 56 |
|
| 3 | 2-3 |
GASEOUS EXCHANGE
|
Number, position and shape of spiracles of insects.
Gaseous exchange in a bony fish. |
By the end of the
lesson, the learner
should be able to:
To give an account of the number, position and shape of spiracles of insects. To describe the structure of gills of a bony fish. To explain how a gill is adapted to function as a respiratory surface. To explain the mechanism of gaseous exchange in gills. |
Drawing the abdomen and showing the position and shape of spiracles, and giving reasons thereof.
Drawing and labeling a gill of a fish; stating the function of each part; and stating how it is adapted to its functions. Detailed discussion. |
Live specimens of insects.
A gill of a fish. |
K.L.B. BOOK 2
P. 56 K.L.B. BOOK 2 PP. 56-57 |
|
| 3 | 4 |
GASEOUS EXCHANGE
|
Gaseous exchange in amphibians.
|
By the end of the
lesson, the learner
should be able to:
To explain the mechanism of gaseous exchange in a frog. |
Q/A: Various methods of gaseous exchange in a frog.
Discuss gaseous exchange through the mouth, lungs and skin of a frog. |
text book
|
K.L.B. BOOK 2
P. 58 |
|
| 4 | 1 |
GASEOUS EXCHANGE
|
Gaseous exchange in mammals.
|
By the end of the
lesson, the learner
should be able to:
To list down parts of the tracheal system in man. To describe the function of the parts of a system respiratory. |
Discuss at length man?s respiratory system.
|
Wall chart- Respiratory system in man.
|
K.L.B. BOOK 2
P. 59 |
|
| 4 | 2-3 |
GASEOUS EXCHANGE
|
Gaseous exchange in mammals.
The structure of the lungs. |
By the end of the
lesson, the learner
should be able to:
To list down parts of the tracheal system in man. To describe the function of the parts of a system respiratory. To explain adaptations of the lungs to their functions. |
Discuss at length man?s respiratory system.
Drawing labeled diagrams coupled with explanations. |
Wall chart- Respiratory system in man.
Wall charts- Structure of lungs. |
K.L.B. BOOK 2
P. 59 K.L.B. BOOK 2 P. 60-1 |
|
| 4 | 4 |
GASEOUS EXCHANGE
|
Inhalation.
|
By the end of the
lesson, the learner
should be able to:
To describe the process of inhalation in man. |
Showing movements of ribs during inhalation.
Explain the inhalation mechanism. |
Chart / model of a rib cage.
|
K.L.B. BOOK 2
PP. 61-62 |
|
| 5 | 1 |
GASEOUS EXCHANGE
|
Exhalation.
|
By the end of the
lesson, the learner
should be able to:
To describe the process of exhalation in man. |
Showing movements of ribs during exhalation.
Explain the exhalation mechanism. |
Chart / model of a rib cage.
|
K.L.B. BOOK 2
PP. 61-62 |
|
| 5 | 2-3 |
GASEOUS EXCHANGE
|
Exhalation.
Thoracic cavity model. |
By the end of the
lesson, the learner
should be able to:
To describe the process of exhalation in man. To identify similarities between a model thoracic cavity and an actual thoracic cavity. |
Showing movements of ribs during exhalation.
Explain the exhalation mechanism. Teacher presents a model thoracic cavity. Q/A: Comparing parts of the model cavity and the actual rib cage. |
Chart / model of a rib cage.
Thoracic cavity model. |
K.L.B. BOOK 2
PP. 61-62 K.L.B. BOOK 2 PP. 61-63 |
|
| 5 | 4 |
GASEOUS EXCHANGE
|
Gaseous exchange in an alveolus.
|
By the end of the
lesson, the learner
should be able to:
To describe gaseous exchange in an alveolus. To explain regulation of breathing in man. |
Discussion and explanations.
|
text book
|
K.L.B. BOOK 2
P. 64 |
|
| 6 | 1 |
GASEOUS EXCHANGE
|
Rate of breathing in man.
|
By the end of the
lesson, the learner
should be able to:
To state and explain briefly factors affecting the rate of inhalation / exhalation processes. |
Discussion and explanations.
|
text book
|
K.L.B. BOOK 2
P. 63 |
|
| 6 | 2-3 |
GASEOUS EXCHANGE
|
Rate of breathing in man.
|
By the end of the
lesson, the learner
should be able to:
To state and explain briefly factors affecting the rate of inhalation / exhalation processes. |
Discussion and explanations.
|
text book
|
K.L.B. BOOK 2
P. 63 |
|
| 6 | 4 |
GASEOUS EXCHANGE
|
Intercostal muscles.
|
By the end of the
lesson, the learner
should be able to:
To explain the function of intercostal muscles during the breathing system. |
Detailed discussion.
Counting number of inhalations before and after an exercise blow. |
Lime water, rib cage model. |
K.L.B. BOOK 2
P. 66 |
|
| 7 | 1 |
GASEOUS EXCHANGE
|
Inhaled and exhaled air.
|
By the end of the
lesson, the learner
should be able to:
To test for CO2 in the air we inhale/ exhale. |
Observe colour changes of lime water, and make deductions.
Brief discussion. |
Lime water.
|
K.L.B. BOOK 2
P. 67 |
|
| 7 | 2-3 |
GASEOUS EXCHANGE
|
Inhaled and exhaled air.
|
By the end of the
lesson, the learner
should be able to:
To test for CO2 in the air we inhale/ exhale. |
Observe colour changes of lime water, and make deductions.
Brief discussion. |
Lime water.
|
K.L.B. BOOK 2
P. 67 |
|
| 7 | 4 |
GASEOUS EXCHANGE
|
Diseases of the respiratory system.
|
By the end of the
lesson, the learner
should be able to:
To state the causes, symptoms and prevention of respiratory diseases. |
Discuss cause, symptoms and prevention of whooping cough TB, bronchitis, etc.
|
Resource person.
|
K.L.B. BOOK 2
PP. 67-70 |
|
| 8 | 1 |
RESPIRATION
|
Introduction ? Definition and importance of respiration.
|
By the end of the
lesson, the learner
should be able to:
By the end of the lesson, the learner should be able: To define respiration. To explain significance of respiration. |
Q/A: Definition
Brief discussion of significance of respiration. |
text book
|
K.L.B. BK 2
PP. 73-74 |
|
| 8 | 2-3 |
RESPIRATION
|
Introduction ? Definition and importance of respiration.
Burning food. |
By the end of the
lesson, the learner
should be able to:
By the end of the lesson, the learner should be able: To define respiration. To explain significance of respiration. To describe an experiment investigating the gas given off when food is burnt. |
Q/A: Definition
Brief discussion of significance of respiration. Teacher demonstration: Burning a food sample. Testing for the gas evolved during combustion. |
text book
|
K.L.B. BK 2
PP. 73-74 |
|
| 8 | 4 |
RESPIRATION
|
The mitochondrion.
|
By the end of the
lesson, the learner
should be able to:
To state functions of mitochondrion in respiration. |
Drawing structure of the mitochondrion.
Explain function of the mitochondrion. |
Wall charts- The mitochond-rion
|
K.L.B. BK 2
P. 74 |
|
| 9 |
Mid term |
|||||||
| 10 | 1 |
RESPIRATION
|
Aerobic respiration.
|
By the end of the
lesson, the learner
should be able to:
To explain phases of aerobic respiration. To state difference between aerobic and anaerobic respiration. |
Detailed discussion.
Writing down equations of food breakdown. |
text book
|
K.L.B. BK 2
PP.74-76 |
|
| 10 | 2-3 |
RESPIRATION
|
Anaerobic respiration.
|
By the end of the
lesson, the learner
should be able to:
To describe anaerobic respiration. |
Observe set up experiments.
Detailed discussion punctuated with probing questions: |
Glucose
Yeast Thermometer |
K.L.B. BK 2
P.77 |
|
| 10 | 4 |
RESPIRATION
|
Oxygen ?debt?.
|
By the end of the
lesson, the learner
should be able to:
To explain the term ?oxygen debt?. To explain the effect of ?oxygen debt? on the amount of energy released during respiration. |
Probing questions.
Detailed discussion. |
text book
|
K.L.B. BK 2
P.78 |
|
| 11 | 1 |
RESPIRATION
|
Applications of anaerobic respiration.
|
By the end of the
lesson, the learner
should be able to:
To explain applications of anaerobic respiration. |
Q/A: Products of fermentation process.
Listing down various applications of anaerobic respiration. |
text book
|
K.L.B. BK 2
P. 79 |
|
| 11 | 2-3 |
RESPIRATION
|
Applications of anaerobic respiration.
Respiratory substrates & respiratory quotient. |
By the end of the
lesson, the learner
should be able to:
To explain applications of anaerobic respiration. To identify respiratory substrates in the body. To define respiratory quotient. To calculate R.Q. |
Q/A: Products of fermentation process.
Listing down various applications of anaerobic respiration. Brief discussion/ explanations. Exposition of definition and its significance. Problem solving. |
text book
|
K.L.B. BK 2
P. 79 |
|
| 11 | 4 |
RESPIRATION
|
Rate of respiration.
|
By the end of the
lesson, the learner
should be able to:
To state and explain factors affecting rate of respiration. |
Detailed discussion and explanations.
|
text book
|
K.L.B. BK 2
PP. 80-81 |
|
| 12 | 1 |
EXCRETION AND HOMEOSTASIS
|
Introduction- Definition and importance of homeostasis and excretion.
|
By the end of the
lesson, the learner
should be able to:
To define homeostasis and excretion. To explain necessity of excretion in plants and animals. |
Q/A: Definitions of digestion, ingestion and egestion, secretion and excretion. Discuss importance of excretion in plants and animals. |
text book
|
K.L.B. BK 2
PP. 83-84 |
|
| 12 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Introduction- Definition and importance of homeostasis and excretion.
Excretion in plants. |
By the end of the
lesson, the learner
should be able to:
To define homeostasis and excretion. To explain necessity of excretion in plants and animals. To name plants excretory products. To state uses of excretory products of plants. |
Q/A: Definitions of digestion, ingestion and egestion, secretion and excretion. Discuss importance of excretion in plants and animals. Probing questions. Exposition of new terms. Discuss uses and abuses of plant excretory products. |
text book
Some plants excretory products. |
K.L.B. BK 2
PP. 83-84 |
|
| 12 | 4 |
EXCRETION AND HOMEOSTASIS
|
Excretion in plants.
|
By the end of the
lesson, the learner
should be able to:
To name plants excretory products. To state uses of excretory products of plants. |
Probing questions.
Exposition of new terms. Discuss uses and abuses of plant excretory products. |
Some plants excretory products.
|
K.L.B. BK 2
PP. 83-84 |
|
| 13 | 1 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in unicellular organisms.
|
By the end of the
lesson, the learner
should be able to:
Describe excretion and homeostasis in an amoeba and a paramecium. |
Q/A: Review diffusion, structure of an amoeba.
Discuss excretion and homeostasis in an amoeba and a paramecium. |
text book
|
K.L.B. BK 2
PP. 84-85 |
|
| 13 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in animals.
|
By the end of the
lesson, the learner
should be able to:
To identify excretory organs in various animals. |
Exposition and discussion.
Observe drawings of various animals showing excretory organs. |
Specimens of platyhelmin-thes, annelida, insects.
|
K.L.B. BK 2
P. 85 |
|
| 13 | 2-4 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in animals.
|
By the end of the
lesson, the learner
should be able to:
To identify excretory organs in various animals. |
Exposition and discussion.
Observe drawings of various animals showing excretory organs. |
Specimens of platyhelmin-thes, annelida, insects.
|
K.L.B. BK 2
P. 85 |
|
| 14 |
Exams |
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