If this scheme pleases you, click here to download.
| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 3 |
GASEOUS EXCHANGE
|
Introduction.
Gaseous exchange in plants.
|
By the end of the
lesson, the learner
should be able to:
To explain importance of gaseous exchange. To describe gaseous exchange in plants. |
Discussion Explanations Q/A: Products of respiration. Detailed discussion. |
text book
|
K.L.B. BOOK 2
P. 48 |
|
| 2 | 4 |
GASEOUS EXCHANGE
|
Introduction.
Gaseous exchange in plants.
|
By the end of the
lesson, the learner
should be able to:
To explain importance of gaseous exchange. To describe gaseous exchange in plants. |
Discussion Explanations Q/A: Products of respiration. Detailed discussion. |
text book
|
K.L.B. BOOK 2
P. 48 |
|
| 2 | 5 |
GASEOUS EXCHANGE
|
Release of CO2 by plants.
|
By the end of the
lesson, the learner
should be able to:
To describe an experiment to show release of CO2 by plants. |
Class experiments including control experiments.
Explain the observations made. |
Bicarbonate indicator, boiling tubes, Aluminum foil.
|
K.L.B. BOOK 2
P. 49 |
|
| 3 | 1 |
GASEOUS EXCHANGE
|
Release of O2 by plants.
|
By the end of the
lesson, the learner
should be able to:
To describe an experiment to show release of O2 by plants. |
Teacher demonstration: Test for the gas evolved.
Discuss observations. |
Gas jar,
Glass funnel, Water plant, Beaker. |
K.L.B. BOOK 2
P. 49 |
|
| 3 | 2-3 |
GASEOUS EXCHANGE
|
Release of O2 by plants.
Stomata. |
By the end of the
lesson, the learner
should be able to:
To describe an experiment to show release of O2 by plants. To describe the structure and explain the functions of stomata. |
Teacher demonstration: Test for the gas evolved.
Discuss observations. Detailed discussion. Drawing diagrams. |
Gas jar,
Glass funnel, Water plant, Beaker. text book |
K.L.B. BOOK 2
P. 49 K.L.B. BOOK 2 P. 51 |
|
| 3 | 4 |
GASEOUS EXCHANGE
|
Opening & closing of stomata.
|
By the end of the
lesson, the learner
should be able to:
To describe and explain the mechanism of opening & closing of stomata. |
Detailed discussion.
|
text book
|
K.L.B. BOOK 2
P. 51 |
|
| 3 | 5 |
GASEOUS EXCHANGE
|
Stomata and habitats of plants.
|
By the end of the
lesson, the learner
should be able to:
To relate plant habitats and the no. of stomata. To explain the variation between number of stomata on the upper and lower face. |
Observe number of stomata of prepared slides of hydrophytes and xerophytes.
Discuss the observations. |
Prepared slides of hydrophytes and xerophytes.
|
K.L.B. BOOK 2
P. 51 |
|
| 4 | 1 |
GASEOUS EXCHANGE
|
Lenticels.
Respiratory surfaces in animals. |
By the end of the
lesson, the learner
should be able to:
To describe and explain the mechanism of lenticels. |
Detailed discussion.
|
text book
|
K.L.B. BOOK 2
P. 52 |
|
| 4 | 2-3 |
GASEOUS EXCHANGE
|
Gaseous exchange in protozoa.
Gaseous exchange in insects. |
By the end of the
lesson, the learner
should be able to:
To describe the mechanism of gaseous exchange in an amoeba. To describe the mechanism of gaseous exchange in insects |
Q/A: Review diffusion, structure of an amoeba.
Discuss briefly gaseous exchange in and out of amoeba. Drawing tracheal system of a grasshopper. Discuss at length the structure of the tracheal system. Detailed discussion. |
text book
|
K.L.B. BOOK 2
P. 53 K.L.B. BOOK 2 PP. 53, 54 |
|
| 4 | 4 |
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 |
|
| 4 | 5 |
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 |
|
| 5 | 1 |
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 |
|
| 5 | 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 |
|
| 5 | 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 |
|
| 5 | 5 |
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 |
|
| 6 | 1 |
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 |
|
| 6 | 2-3 |
GASEOUS EXCHANGE
|
Inhalation.
Exhalation. |
By the end of the
lesson, the learner
should be able to:
To describe the process of inhalation in man. To describe the process of exhalation in man. |
Showing movements of ribs during inhalation.
Explain the inhalation mechanism. Showing movements of ribs during exhalation. Explain the exhalation mechanism. |
Chart / model of a rib cage.
|
K.L.B. BOOK 2
PP. 61-62 |
|
| 6 | 4 |
GASEOUS EXCHANGE
|
Thoracic cavity model.
|
By the end of the
lesson, the learner
should be able to:
To identify similarities between a model thoracic cavity and an actual thoracic cavity. |
Teacher presents a model thoracic cavity.
Q/A: Comparing parts of the model cavity and the actual rib cage. |
Thoracic cavity model.
|
K.L.B. BOOK 2
PP. 61-63 |
|
| 6 | 5 |
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 |
|
| 7 |
Midterm Break |
|||||||
| 8 | 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 |
|
| 8 | 2-3 |
GASEOUS EXCHANGE
|
Rate of breathing in man.
Intercostal muscles. |
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. To explain the function of intercostal muscles during the breathing system. |
Discussion and explanations.
Detailed discussion. Counting number of inhalations before and after an exercise blow. |
text book
Lime water, rib cage model. |
K.L.B. BOOK 2
P. 63 K.L.B. BOOK 2 P. 66 |
|
| 8 | 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 |
|
| 8 | 5 |
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 |
|
| 9 | 1 |
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 |
|
| 9 | 2-3 |
GASEOUS EXCHANGE
RESPIRATION |
Diseases of the respiratory system.
Introduction ? Definition and importance of respiration. |
By the end of the
lesson, the learner
should be able to:
To state the causes, symptoms and prevention of respiratory diseases. By the end of the lesson, the learner should be able: To define respiration. To explain significance of respiration. |
Discuss cause, symptoms and prevention of whooping cough TB, bronchitis, etc.
Q/A: Definition Brief discussion of significance of respiration. |
Resource person.
text book |
K.L.B. BOOK 2
PP. 67-70 K.L.B. BK 2 PP. 73-74 |
|
| 9 | 4 |
RESPIRATION
|
Burning food.
|
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
|
K.L.B. BK 2
PP. 73-74 |
|
| 9 | 5 |
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 |
|
| 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.
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 |
|
| 10 | 5 |
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 |
|
| 11 | 1 |
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 |
|
| 11 | 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 |
|
| 11 | 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 |
|
| 11 | 5 |
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 |
|
| 12 | 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 |
|
| 12 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in animals.
The mammalian skin. |
By the end of the
lesson, the learner
should be able to:
To identify excretory organs in various animals. Draw and label the structure of the mammalian skin. To describe functions of parts of the mammalian skin. |
Exposition and discussion.
Observe drawings of various animals showing excretory organs. |
Specimens of platyhelmin-thes, annelida, insects.
Permanent slides of mammalian skin. |
K.L.B. BK 2
P. 85 K.L.B. BK 2 PP. 86-87 |
|
| 12 | 4 |
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 |
|
| 12 | 5 |
EXCRETION AND HOMEOSTASIS
|
The lungs.
|
By the end of the
lesson, the learner
should be able to:
To explain the role of lungs as excretory organs. |
Exposition and discussion.
|
Chart/ model- Mammalian lungs.
|
K.L.B. BK 2
P. 87 |
|
Your Name Comes Here