FORM 3 BIOLOGY SCHEME OF WORK TERM 3

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FORM 3 BIOLOGY SCHEME OF WORK TERM 3

WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 Opening and Revision
2 1 REPRODUCTION IN PLANTS AND ANIMALS Fertilisation process. By the end of the lesson, the learner should be able to:
To explain the fertilisation process.		 Discussion
Drawing diagrams.		 chart KLB BK III. PP. 113-114
2 REPRODUCTION IN PLANTS AND ANIMALS Implantation. By the end of the lesson, the learner should be able to:
To define implantation.
To define ectopic pregnancy.		 Drawing illustrative diagrams.
Discussion.		 text book KLB BK III. P. 114
3-4 REPRODUCTION IN PLANTS AND ANIMALS The placenta.
Role of the placenta. Placental exchanges.		 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.

To state and explain the role of the placenta.
To identify substances allowed / not allowed to pass through the placenta
Exposition and discussion.
Exposition and discussion. Drawing diagrams showing placental exchanges.
Detailed discussion.		 Chart- The placenta.
text book		 KLB BK III. P. 115
KLB BK III. P. 116
5 REPRODUCTION IN PLANTS AND ANIMALS 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. text book
3 1 REPRODUCTION IN PLANTS AND ANIMALS 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. text book KLB BK III. PP.
117-119
2 REPRODUCTION IN PLANTS AND ANIMALS 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 BK III. P. 120
3-4 REPRODUCTION IN PLANTS AND ANIMALS Secondary sexual characteristics.
The menstrual cycle.		 By the end of the lesson, the learner should be able to:
To state secondary sexual characteristics in males and females.
To explain the role of hormones in the menstrual cycle.		 Detailed discussion. text book
Chart- Phases of human menstrual cycle.		 KLB BK III. P. 121
5 REPRODUCTION IN PLANTS AND ANIMALS 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.		 chart KLB BK III. PP.
122-123
4 1 REPRODUCTION IN PLANTS AND ANIMALS 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. text book KLB BK III. P. 123
2 REPRODUCTION IN PLANTS AND ANIMALS 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. text book KLB BK III. P. 123
3-4 REPRODUCTION IN PLANTS AND ANIMALS 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- STIs causal agents, symptoms, prevention and control measures. PP.
123-125
5 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.		 text book KLB BK III. P. 134
5 1 GROWTH & DEVELOPMENT. 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. text book KLB BK III. P. 134
2 GROWTH & DEVELOPMENT. 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 BK III. P. 135
3-4 GROWTH & DEVELOPMENT. 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 BK III. P. 135
5 GROWTH & DEVELOPMENT. 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.		 chart KLB BK III. P. 135
6 1 GROWTH & DEVELOPMENT. 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 BK III. P. 136
2 GROWTH & DEVELOPMENT. 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 BK III. P. 136
3-4 GROWTH & DEVELOPMENT. Dormancy in seeds.
Seed germination.		 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.

To describe the process of seed germination.
To investigate conditions necessary for germination.
To explain conditions necessary for germination.
Detailed discussion.
Observe previously prepared specimens.
Discuss the observations.		 video
Seeds
Cotton wool
Flat bottomed flasks
Corks
T-tubes
Thermometers
pyrogallic acid
NaOH solution.		 KLB BK III. P. 137
KLB BK III.
P 140.
5 GROWTH & DEVELOPMENT. 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 BK III.
P 140.
7 1 GROWTH & DEVELOPMENT. 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 BK III. P. 141
2 GROWTH & DEVELOPMENT. 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 BK III. P. 141
3-4 GROWTH & DEVELOPMENT. Primary growth of a seedling.
Region of growth in a root.		 By the end of the lesson, the learner should be able to:
To describe primary growth of a seedling.

To determine the region of growth in a root.

 Brief discussion.
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 BK III. P 143
KLB BK III. P. 144
5 GROWTH & DEVELOPMENT. 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 BK III. P. 144
8 1 GROWTH & DEVELOPMENT. Secondary growth. By the end of the lesson, the learner should be able to:
To describe secondary growth of plants.		 Detailed discussion. text book KLB BK III. PP. 145-146
2 GROWTH & DEVELOPMENT. 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. text book KLB BK III. P. 147
3-4 GROWTH & DEVELOPMENT. Apical dominance.
Growth and development in insects.		 By the end of the lesson, the learner should be able to:
To explain the role of auxins in apical dominance.
To differentiate between complete and incomplete metamorphosis.		 Probing questions leading to definition and explanation of apical dominance.
Q/A: Features of complete and incomplete metamorphosis of insects.		 Shoot with lateral growth.
chart		 KLB BK III. PP. 147-148.
KLB BK III. PP.148-14.9
5 GROWTH & DEVELOPMENT. 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. text book KLB BK III. PP. 148-149.
9 End Term Exams/Closing