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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