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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 |
GASEOUS EXCHANGE
|
Gaseous exchange in protozoa.
|
By the end of the
lesson, the learner
should be able to:
To describe the mechanism of gaseous exchange in an amoeba. |
Q/A: Review diffusion, structure of an amoeba.
Discuss briefly gaseous exchange in and out of amoeba. |
text book
|
K.L.B. BOOK 2
P. 53 |
|
| 1 | 2 |
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 |
|
| 1 | 3 |
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 |
|
| 1 | 4-5 |
GASEOUS EXCHANGE
|
Number, position and shape of spiracles of insects.
Gaseous exchange in a bony fish. Gaseous exchange in amphibians. |
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. text book |
K.L.B. BOOK 2
P. 56 K.L.B. BOOK 2 PP. 56-57 |
|
| 2 | 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 |
|
| 2 | 2 |
GASEOUS EXCHANGE
|
The structure of the lungs.
|
By the end of the
lesson, the learner
should be able to:
To explain adaptations of the lungs to their functions. |
Drawing labeled diagrams coupled with explanations.
|
Wall charts- Structure of lungs.
|
K.L.B. BOOK 2
P. 60-1 |
|
| 2 | 3 |
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 |
|
| 2 | 4-5 |
GASEOUS EXCHANGE
|
Exhalation.
Thoracic cavity model. Gaseous exchange in an alveolus. |
By the end of the
lesson, the learner
should be able to:
To describe the process of exhalation in man. To describe gaseous exchange in an alveolus. To explain regulation of breathing in man. |
Showing movements of ribs during exhalation.
Explain the exhalation mechanism. Discussion and explanations. |
Chart / model of a rib cage.
Thoracic cavity model. text book |
K.L.B. BOOK 2
PP. 61-62 K.L.B. BOOK 2 P. 64 |
|
| 3 | 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 |
|
| 3 | 2 |
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 |
|
| 3 | 3 |
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 |
|
| 3 | 4-5 |
GASEOUS EXCHANGE
|
Inhaled and exhaled air.
Diseases of the respiratory system. |
By the end of the
lesson, the learner
should be able to:
To test for CO2 in the air we inhale/ exhale. To state the causes, symptoms and prevention of respiratory diseases. |
Observe colour changes of lime water, and make deductions.
Brief discussion. Discuss cause, symptoms and prevention of whooping cough TB, bronchitis, etc. |
Lime water.
Resource person. |
K.L.B. BOOK 2
P. 67 K.L.B. BOOK 2 PP. 67-70 |
|
| 4 | 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 |
|
| 4 | 2 |
RESPIRATION
|
Burning food.
The mitochondrion. |
By the end of the
lesson, the learner
should be able to:
To describe an experiment investigating the gas given off when food is burnt. |
Teacher demonstration: Burning a food sample.
Testing for the gas evolved during combustion. |
text book
Wall charts- The mitochond-rion |
K.L.B. BK 2
PP. 73-74 |
|
| 4 | 3 |
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 |
|
| 4 | 4-5 |
RESPIRATION
|
Anaerobic respiration.
Oxygen ?debt?. Applications of anaerobic respiration. |
By the end of the
lesson, the learner
should be able to:
To describe anaerobic respiration. To explain applications of anaerobic respiration. |
Observe set up experiments.
Detailed discussion punctuated with probing questions: Q/A: Products of fermentation process. Listing down various applications of anaerobic respiration. |
Glucose
Yeast Thermometer text book |
K.L.B. BK 2
P.77 K.L.B. BK 2 P. 79 |
|
| 5 | 1 |
RESPIRATION
|
Respiratory substrates
& respiratory quotient.
|
By the end of the
lesson, the learner
should be able to:
To identify respiratory substrates in the body. To define respiratory quotient. To calculate R.Q. |
Brief discussion/ explanations.
Exposition of definition and its significance. Problem solving. |
text book
|
K.L.B. BK 2
P. 79 |
|
| 5 | 2 |
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 |
|
| 5 | 3 |
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 |
|
| 5 | 4-5 |
EXCRETION AND HOMEOSTASIS
|
Excretion in plants.
Excretion and homeostasis in unicellular organisms. |
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. Describe excretion and homeostasis in an amoeba and a paramecium. |
Probing questions.
Exposition of new terms. Discuss uses and abuses of plant excretory products. Q/A: Review diffusion, structure of an amoeba. Discuss excretion and homeostasis in an amoeba and a paramecium. |
Some plants excretory products.
text book |
K.L.B. BK 2
PP. 83-84 K.L.B. BK 2 PP. 84-85 |
|
| 6 | 1 |
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 |
|
| 6 | 2 |
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 |
|
| 6 | 3 |
EXCRETION AND HOMEOSTASIS
|
The mammalian skin.
|
By the end of the
lesson, the learner
should be able to:
Draw and label the structure of the mammalian skin. To describe functions of parts of the mammalian skin. |
|
Permanent slides of mammalian skin.
|
K.L.B. BK 2
PP. 86-87 |
|
| 6 | 4-5 |
EXCRETION AND HOMEOSTASIS
|
The lungs.
The kidneys structure. |
By the end of the
lesson, the learner
should be able to:
To explain the role of lungs as excretory organs. To describe the external structure of kidney. To describe the internal structure of the kidney. |
Exposition and discussion.
Observe external features of a kidney. Observe internal drawing and labeling of the kidney. |
Chart/ model- Mammalian lungs.
Wall-Charts?internal organs of a kidney. |
K.L.B. BK 2
P. 87 K.L.B. BK 2 PP. 89-90 |
|
| 7 | 1 |
EXCRETION AND HOMEOSTASIS
|
The nephron.
|
By the end of the
lesson, the learner
should be able to:
Describe features of the nephron. |
Discuss features of the nephron.
Draw structure of the nephron. Label the diagram. |
Chart?Kidney nephron.
|
|
|
| 7 | 2 |
EXCRETION AND HOMEOSTASIS
|
Urine formation.
The loop of Henle. |
By the end of the
lesson, the learner
should be able to:
To explain formation of urine. |
Detailed discussion.
|
chart
Chart- The nephron. |
K.L.B. BK 2 PP 90
|
|
| 7 | 3 |
EXCRETION AND HOMEOSTASIS
|
Kidney diseases and disorders.
The Liver. |
By the end of the
lesson, the learner
should be able to:
To name kidney diseases and disorders and state methods of prevention and / treatment. |
Discussion and Explanations.
|
text book
Chart-Structure of the liver |
K.L.B. BK 2 PP 92
|
|
| 7 | 4-5 |
EXCRETION AND HOMEOSTASIS
|
Deamination.
Other functions of the liver. Liver disorders. Homeostasis. |
By the end of the
lesson, the learner
should be able to:
To explain the function of the liver in deamination. To name and discuss kidney disorders. To identify methods of preventing and treating these disorders. |
Probing questions.
Discussion Exposition and discussion. |
text book
|
K.L.B. BK 2 PP 95
K.L.B. BK 2 PP 96-97 |
|
| 8 | 1 |
EXCRETION AND HOMEOSTASIS
|
The feedback mechanism.
|
By the end of the
lesson, the learner
should be able to:
To differentiate between positive and negative feedback and state their roles in maintaining the desirable point. |
Schematic representation of feedbacks.
Exposition and discussion. |
Chart-
Schematic diagram of feedback mechanism |
K.L.B. BK 2 PP 97-98
|
|
| 8 | 2 |
EXCRETION AND HOMEOSTASIS
|
The hypothalamus.
The skin and thermoregulation. |
By the end of the
lesson, the learner
should be able to:
To explain the role of hypothalamus in thermoregulation. |
Exposition and detailed discussion.
|
text book
|
K.L.B. BK 2 PP 98
|
|
| 8 | 3 |
EXCRETION AND HOMEOSTASIS
|
Blood vessels and their functions in thermo-regulation.
Homeostatic behavioral activities. |
By the end of the
lesson, the learner
should be able to:
To explain the adaptation of blood vessels and their function in thermo-regulation. |
Exposition and discussion.
Drawing schematic diagrams. |
text book
text book,video |
K.L.B. BK 2 PP 98-99
|
|
| 8 | 4-5 |
EXCRETION AND HOMEOSTASIS
|
Osmoregulation.
Blood sugar. Diabetes. |
By the end of the
lesson, the learner
should be able to:
To describe water and salts balance in the body. To distinguish diabetes mellitus from diabetes inspidus. To identify simple symptoms of diabetes mellitus and diabetes inspidus. |
Detailed discussion.
Detailed discussion. Probing questions. Topic review. |
text book
|
K.L.B. BK 2 PP 100-101
K.L.B. BK 2 PP 103 |
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