KLB Biology Schemes of Work Book 3 Term 3 2020/2021

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WEEK	LESSON	TOPIC/ SUB-TOPIC	LESSON OBJECTIVES	TEACHING ACTIVITIES	TEACHING MATERIALS	REFERENCES	REMARKS
1	1	Seed formation	By the end of the lesson, the learner should be able to: To explain formation of seeds.	Detailed discussion.		KLB Book 3 Page 97
	2	Fruit development	By the end of the lesson, the learner should be able to: To describe development of fruits in flowering plants.	Detailed discussion.		KLB Book 3 Page 98
	3-4	Classification of fruits.	By the end of the lesson, the learner should be able to: To classify fruits using specific criteria.	Teacher presents several types of fruits and leads students in classifying them. Detailed discussion, drawing of diagrams.	A variety of fruits, petri dishes Blades Containers.	KLB Book 3 Page 99
	5	Placentation	By the end of the lesson, the learner should be able to: To define placentation. To describe the process of placentation. To identify types of placentation.	Teacher exposes the meaning of placentation. Students examine ovaries of various fruits as the teacher exposes the types of placentation exhibited. Students draw diagrams showing types of placentation.	Fruits Beans Sunflower Pawpaw Orange Primrose, e.t.c	KLB Book 3 Page 100
2	1-2	Fruit and seed dispersal.	By the end of the lesson, the learner should be able to: To explain adaptive features of fruits and seeds to their agents of dispersal.	Students examine fruits and seeds, observe external features, and group them accordingly to methods of dispersal. Detailed discussion of observations made.		KLB Book 3 Page 102-103
	3-4	Internal structure of fruits.	By the end of the lesson, the learner should be able to: To label the parts of internal structure of a fruit. To identify the functions of internal parts of a fruit.	Teacher demonstration- Vertical sections of fruits. Students draw and label the fruit internal structure.		KLB Book 3 Page 104
	5	Sexual reproduction in animals. External fertilization	By the end of the lesson, the learner should be able to: To describe external fertilization in amphibians.	Detailed discussion.	Strands of eggs of frogs.	KLB Book 3 Page 105
3	1	Internal fertilization	By the end of the lesson, the learner should be able to: To describe internal fertilization and compare it with external fertilization.	Tabulate differences between external and internal fertilization.		KLB Book 3 Page 105
	2-3	Reproduction in mammals. Reproduction in human beings.	By the end of the lesson, the learner should be able to: To explain the reproduction process in mammals. To draw and label the structure of male reproduction system.	Detailed discussion. Drawing and labeling male reproduction system.	Wall charts-Reproduction system.	KLB Book 3 Page 105
	4	Functions of parts of male reproduction system.	By the end of the lesson, the learner should be able to: To explain the male reproduction system.	Detailed discussion.		KLB Book 3 Page 106-108
	5	Male reproduction system of an animal.	By the end of the lesson, the learner should be able to: To identify parts of male reproduction system of a rabbit/ rat.	To examine reproduction system of a male rabbit /rat. Identify the parts of the reproduction system.	Reproduction system of a rabbit/ rat.	KLB Book 3 Page 108
4	1-2	Female reproduction system.	By the end of the lesson, the learner should be able to: To draw and label parts of the female reproduction system.	Drawing and labeling.		KLB Book 3 Page 108-110
	3	Functions of parts of female reproduction system.	By the end of the lesson, the learner should be able to: To explain the functions of parts of female reproduction system.	Detailed discussion.		KLB Book 3 Page 108-110
	4	Female reproduction system of a female animal.	By the end of the lesson, the learner should be able to: To identify parts of female reproduction system of a female animal.	Examine parts of a female reproduction system. Identify the parts.	Dissected female rat/ mouse/rabbit.	KLB Book 3 Page 110
	5	The human sperm. Formation of ova.	By the end of the lesson, the learner should be able to: To draw and label the human spermatozoon. To describe the process of formation of ova.	Drawing and labelling. Detailed discussion. Q/A: Adaptations of male gamete to its function.		KLB Book 3 Page 112-113
5	1	Fertilization process.	By the end of the lesson, the learner should be able to: To explain the fertilization process.	Discussion Drawing diagrams.		KLB Book 3 Page 113-114
	2	Implantation.	By the end of the lesson, the learner should be able to: To define implantation. To define ectopic pregnancy.	Drawing illustrative diagrams. Discussion.		KLB Book 3 Page 114
	3	The placenta	By the end of the lesson, the learner should be able to: To describe the formation of the placenta and the structure of the placenta.	Exposition and discussion.	Chart- The placenta.	KLB Book 3 Page 115
	4	Role of the placenta. Placental exchanges.	By the end of the lesson, the learner should be able to: To state and explain the role of the placenta. To identify substances allowed / not allowed to pass through the placenta	Exposition and discussion. Drawing diagrams showing placental exchanges. Detailed discussion.		KLB Book 3 Page 116
	5	TEST
6	1	Pregnancy and hormones.	By the end of the lesson, the learner should be able to: To identify functions of human oestrogen and progestrone during pregnancy.	Tabulate functional differences.
	2	Abortion, miscarriage, birth.	By the end of the lesson, the learner should be able to: To describe processes of abortion, miscarriage and birth.	Q/A: To elicit students responses on related issues.		KLB Book 3 Page 117-119
	3	Lactation and parental care.	By the end of the lesson, the learner should be able to: To explain the role of oxytocin in milk let down. To draw and label mammary glands.	Discussion Drawing and labelling mammary glands.	Wall- charts mammary glands.	KLB Book 3 Page 120
	4	Secondary sexual characteristics.	By the end of the lesson, the learner should be able to: To state secondary sexual characteristics in males and females.	Detailed discussion.
	5	The menstrual cycle.	By the end of the lesson, the learner should be able to: To explain the role of hormones in the menstrual cycle.	Detailed discussion.	Chart- Phases of human menstrual cycle.	KLB Book 3 Page 121
7	1	28-day menstrual cycle.	By the end of the lesson, the learner should be able to: To represent hormonal levels on a 28-day chart.	Open discussion. Interpreting illustrative charts.	Charts	KLB Book 3 Page 122-123
	2-3	Menopause, infertility and emerging issues.	By the end of the lesson, the learner should be able to: To describe hormonal changes at menopause. To discuss emerging issues related to infertility and menopause.	Open discussion.		KLB Book 3 Page 123
	4-5	Sexually Transmitted Infections & HIV/AIDS.	By the end of the lesson, the learner should be able to: To identify the symptoms of STIs. To explain the mode of transmission of STIs / AIDS and discuss methods of control. To differentiate between HIV and AIDS.	Detailed discussion . Q/A: Distinction and relationship between HIV and AIDS.	Chart of STIs causal agents, symptoms, prevention and control measures.	KLB Book 3 Page 123-125
8	1	GROWTH & DEVELOPMENT. The concepts of growth and development.	By the end of the lesson, the learner should be able to: To distinguish growth from development.	Q/A: Aspects that occur during growth. Detailed discussion of growth and development.		KLB Book 3 Page 134
	2	Measurement of growth.	By the end of the lesson, the learner should be able to: To identify aspects that indicate growth of an organism. Sketch a growth curve.	Discuss growth aspects-height, weight and volume.		KLB Book 3 Page 134
	3,4	Growth phases.	By the end of the lesson, the learner should be able to: To describe lag and decelerating phases of growth.	Students will have collected data, e.g. height of shoots of different ages. Teacher assists students to draw growth curves. Discussion- phases of growth.	Shoots of known ages.	KLB Book 3 Page 135
	5	Intermittent growth curve.	By the end of the lesson, the learner should be able to: Explain growth curve showing intermittent growth.	Q/A: life cycles of insects. Exposition and detailed discussion.		KLB Book 3 Page 135
9	1	Structure of the seed.	By the end of the lesson, the learner should be able to: To draw and label a typical seed. To state the functions of the parts of a seed.	Students examine external structure of bean seeds and maize seeds. Teacher assists them to identify the parts of the seeds. Drawing and labeling the seeds.	Specimens of maize and bean seeds.	KLB Book 3 Page 136
	2	Longitudinal sections of monocots and dicots.	By the end of the lesson, the learner should be able to: To identify structural differences between monocots and dicots.	Obtain longitudinal section of the seeds. Identify structural differences of the specimens. Carry out iodine tests. Explain the observations.	Hand lens Maize and bean seeds. Iodine Scalpels.	KLB Book 3 Page 136
	3	Dormancy in seeds.	By the end of the lesson, the learner should be able to: To define seed dormancy. To explain factors that cause dormancy and ways of breaking dormancy.	Detailed discussion.		KLB Book 3 Page 137
	4,5	Seed germination.	By the end of the lesson, the learner should be able to: To describe the process of seed germination. To investigate conditions necessary for germination. To explain conditions necessary for germination.	Observe previously prepared specimens. Discuss the observations.	Seeds Cotton wool Flat bottomed flasks Corks T-tubes Thermometers pyrogallic acid NaOH solution.	KLB Book 3 Page 140
10	1	Epigeal germination.	By the end of the lesson, the learner should be able to: To differentiate between epigeal and hypogeal germination. To describe epigeal germination.	Observe previously prepared specimens of germinating bean seed/ castor seed. Drawing comparative diagrams.	Specimens of germinating bean/castor seed at different phases of germination.	KLB Book 3 Page 141
	2	Hypogeal germination.	By the end of the lesson, the learner should be able to: To describe hypogeal germination.	Observe previously prepared specimens of germinating bean seed/ castor seed. Drawing diagrams.	Specimens of germinating maize seed at different phases of germination.	KLB Book 3 Page 141
	3	Primary growth of a seedling.	By the end of the lesson, the learner should be able to: To describe primary growth of a seedling.	Brief discussion Observe previously prepared specimens of germinating bean seed/ castor seed. Drawing diagrams.		KLB Book 3 Page 143
	4	Region of growth in a root.	By the end of the lesson, the learner should be able to: To determine the region of growth in a root.	Group experiments- Observe previously prepared specimens to determine regions of growth. Discuss observations made. Draw relevant diagrams.	Germinating bean seeds Cork pin Beaker Indian ink Blotting paper Ruler.	KLB Book 3 Page 144
	5	Apical meristems.	By the end of the lesson, the learner should be able to: To draw and label longitudinal and transverse sections of apical meristems.	Drawing and labelling transverse sections of apical meristems.	Charts-Apical meristems	KLB Book 3 Page 144
11	1	Secondary growth.	By the end of the lesson, the learner should be able to: To describe secondary growth of plants.	Detailed discussion.		KLB Book 3 Page 145-146
	2	Growth hormones.	By the end of the lesson, the learner should be able to: To explain role of hormones in growth of plants.	Discuss the role of IAA, gibberellins, cytokinins, and abscisic acid e.t.c, in plant growth.		KLB Book 3 Page 147
	3	Apical dominance.	By the end of the lesson, the learner should be able to: To explain the role of auxins in apical dominance.	Probing questions leading to definition and explanation of apical dominance.		KLB Book 3 Page 147-148
	4	Growth and development in insects.	By the end of the lesson, the learner should be able to: To differentiate between complete and incomplete metamorphosis.	Q/A: Features of complete and incomplete metamorphosis of insects.	Shoot with lateral growth	KLB Book 3 Page 148-149
	5	Role of hormones in insect growth.	By the end of the lesson, the learner should be able to: To identify hormones that promotes insect growth	Exposition and explanations.		KLB Book 3 Page 148- 149
12-13	SUMMATIVE ASSESSMENT TEST

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