SCHEME  OF  WORK  FORM  THREE TERM ONE  YEAR  2023 to 2030

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CLASSIFICATION

           II

Principles of classification of living organisms.

Explain the importance of classification of organisms.

Discuss the general principles of classification.

Identify major taxonomic units.

Discussion of principles of classification of organisms.

Q/A: Major  taxonomic  units.

KLB BK III.

PP 1-2.

To explain features of a species.

To explain principles of binomial nomenclature.

Give examples of breeds and varieties.

Discuss the double- naming system and the underlying features.

4

Kingdom Monera.

State characteristics of members of kingdom Monera.

To identify and draw various bacteria.

To explain how bacteria affect our lives.

Discussion- General characteristics of unicellular and microscopic organisms.

Drawing and labeling a bacterium.

Q/A: Economic importance of bacteria.

KLB BK III.P 3.

To state general characteristics of members of kingdom Protoctista.

PP 4-5.

Draw diagrams of organisms observed.

Compare the observed organisms with those previously drawn and labelled.

Water dropper

Pond water

Glass slides.

Characteristics of Kingdom Fungi.

To discuss economic importance of fungi.

To state general characteristics of fungi.

Exposition of new concepts/ terms.

Yeast,

Bread mould.

Draw and label diagrams of various fngi.

Bread mould,

Yeast,

Edible mushroom.

General characteristics.

To draw and label external features of an identified Bryophyta.

To identify features of Bryophyta.

Draw and label the moss plant.

Hand lens,

Slide.

To draw and label external features of Pteridophytes.

Class experiments: To observe a live or preserved fern.

To draw and label the fern.

Q/A: Comparing gymnospermatophyta and angiospermaphyta.

Discuss external features of the plants.

Discuss their external features.

KLB BK III. P 11.

Examine external features of freshly killed grasshopper/ spider/ millipede/ centipede.

List down common features of the specimens.

Draw and label diagrams.

Discuss their general characteristics.

Draw and label a centipede.

Discuss general characteristics of Chilopoda comparing them to those of other members of the kingdom Animalia.

Draw and label a milipede.

Discuss general characteristics of diplopoda comparing them to those of other members of the kingdom Animalia.

Q/A: Differences between arachnids and members of other classes.

Discuss general characteristics of Arachnida.

List down general characteristics of insecta.

Discuss economic importance of insects.

Discussion: characteristics of chordates.

To list down general characteristics of Amphibia.

Discussion.

Discussion: General characteristics of reptilia.

Discussion: General characteristics of reptilia.

To use a constructed dichotomous key to identify given specimens.

To construct own dichotomous key.

Written exercise.

Exercise review.

Different plant species.

ECOLOGY

Concepts of ecology.

To differentiate between autecology and synecology.

Define various concepts used in ecology.

Exposition- Teacher exposes new concepts and explains their underlying meanings.

Answering related questions.

pH meter e.t.c.

– Competition.

To interpret graphs representing competition between two species.

To define an ecological niche and a habitat.

Teacher leads in interpreting graphs showing competition.

Q/A: Deductions from graphs.

Chart – graphs.

To describe adaptive characteristics of various predators.

Discussion: Adaptive characteristics of leopards, hawks, praying mantis, lions, e.t.c

To differentiate between endoparasites and ectoparasites.

To identify adaptive features of parasites.

Examine specimens of endoparasites and ectoparasites.

Discuss economic importance of parasites.

To explain economic importance of symbiosis and saprophytism.

Examples of symbiants and saprophytic organisms.

Explain importance of micro-organisms in root nodules of plants.

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SCHEME  OF  WORK  FORM  THREE  TERM   TWO  YEAR

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To describe energy flow in an ecosystem.

Discuss trophic levels in an ecosystem.

To give examples of food chains.

To identify trophic levels of organism(s) in a food chain.

Q/A: Trophic levels of organisms in a food chain.

Emphasis is laid on direction of arrows.

Answer questions derived from food webs.

Teacher explains features of pyramid of numbers.

To interpret constructed pyramid of numbers from given data.

Use given date to construct pyramid of numbers.

Supervised Exercise.

To interpret the pyramid of biomass.

To construct a biomass from given data.

Students construct biomass from given data.

To explain factors affecting population growth rate.

Discuss population density, dispersion and growth.

Q/A: Factors affecting population growth rate; including food availability, space, diseases such as HIV/AIDS, pests, e.t.c.

To suggest limitations of quadrat method of estimating population.

Q/A: limitations of quadrat method of estimating population.

Project- students to make quadrats.

46-47.

To suggest limitations of line transect method of population.

Q/A: Students suggest limitations of line transect method of population.

 KLB BK III.

PP 47-48.

Discussion.

To suggest limitations of capture-recapture method.

To estimate population size using capture-recapture method.

Q/A: Assumptions made in this method, limitations of the method.

Worked examples.

To identify adaptations of xerophytes to their habitats.

Discussion: Adaptations of xerophytes to dry habitats.

To explain adaptations of mesophytes to their habitats.

Discussion: Adaptations of mesophytes to their habitats.

To explain adaptations of hydrophytes to their habitats.

thrive.

Discussion: Adaptations of hydrophytes to their habitats.

To explain adaptations of halophytes to their habitats.

Discussion: Adaptations of dry habitats.

Identify adaptive features.

Hydrophytes

Hand lenses.

To explain effects of pollution on human beings and other organisms.

To suggest control measures of air pollution.

To suggest control measures of water pollution.

To suggest control measures of soil pollution.

To state uses of nuclear energy.

4

Typhoid & cholera.

To describe causative agents, symptoms, prevention of bacterial diseases.

To state and explain effects of a parasite on the host.

To suggest preventive and control measures.

Detailed discussion.

To describe effects of the parasite on its host.

To identify adaptive features of schistosoma.

Q/A: Effects on host and control measures.

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Introduction

To state importance of reproduction.

Teacher illustrates and explains sexual and asexual reproduction.

To describe the role of chromosomes in cell division.

P 79.

Drawing diagrams showing stages of mitosis.

P 80.

Comparing drawn cells with those previously drawn.

Microscope

IM HCl

Cover slides.

P 80.

P 81.

To explain the principle underlying meiosis.

P 82.

P 82.

Drawing cells showing stages of meiosis.

Comparing  drawn cells with those previously drawn.

IM HCl

Source of heat

Glass slide

Filter paper

Microscope

P 82.

Probing questions leading to differences between mitosis and meiosis.

P 82.

Binary fission.

To describe the stages of binary fission in amoeba.

Drawing diagrams/ discussion.

P 87.

Identify and draw hyphae and sporangia.

Hand lens.

P 88.

P 89.

Methylene blue

Microscope

P 89.

Structure of a flower.

Counting number of sepals, petals, stamen, carpels.

Morning glory

Bauhinia Longitudinal section of a general flower.

P 90.

Teacher demonstration- examining features of flowers.

P 91.

Insect-pollinated flowers.

To identify agents of pollination.

To describe the structure of insect-pollinated flowers.

Agents of pollination.

Class experiment- Structure of insect pollinated flowers.

Students identify various parts.

P 93.

Identify glumes, spikes and spikelets.

Compare them in text books/ charts.

PP 93-94.

To describe the fertilisation process in flowering plants.

Drawing diagrams,

detailed  discussion.

P 95.

SCHEME  OF  WORK  FORM  THREE   TERM  THREE  YEAR  2023

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1

Seed formation.

To explain formation of seeds.

Detailed discussion.

P 97.

Fruit development.

To describe development of fruits in flowering plants.

Detailed discussion.

P 98.

2

Classification of fruits.

Detailed discussion, drawing of diagrams.

A variety of fruits, petri dishes

Blades

Containers.

P   99.

Placentation.

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.

Beans

Sunflower

Pawpaw

Orange

Primrose, e.t.c

P 100.

Detailed discussion of observations made.

To identify the functions of internal parts of a fruit.

Students draw and label the fruit internal structure.

External fertilisation.

To describe external fertilisation in amphibians.

P 105

Reproduction in human beings.

To draw and label the structure of male reproduction system.

Drawing and labeling male reproduction system.

Wall charts-Reproduction system.

Identify the parts of the reproduction system.

108-110.

 108-110

Identify the parts.

Formation of ova.

To describe the process of formation of ova.

Detailed discussion.

Q/A: Adaptations of male gamete to its function.

 112-113

Drawing diagrams.

To define ectopic pregnancy.

Discussion.

Placental exchanges.

To identify substances  allowed / not allowed to pass through the placenta

Detailed discussion.

117-119

To draw and label mammary glands.

Drawing and labelling mammary glands.

Interpreting illustrative charts.

 122-123

To discuss emerging issues related to infertility and menopause.

HIV/AIDS.

To explain the mode of transmission of STIs / AIDS and discuss methods of control.

To differentiate between HIV and AIDS.

Q/A: Distinction and relationship between HIV and AIDS.

123-125

The concepts of growth and development.

Detailed discussion of growth and development.

Sketch a growth curve.

Teacher assists students to draw growth curves.

Discussion- phases of growth.

Exposition and detailed discussion.

To state the functions of the parts of a seed.

Teacher assists them to identify the parts of the seeds.

Drawing and labeling the seeds.

Identify structural differences of the specimens.

Carry out iodine tests.

Explain the observations.

Maize and bean seeds.

Iodine

Scalpels.

To explain factors that cause dormancy and ways of breaking dormancy.

To investigate conditions necessary for germination.

To explain conditions necessary for germination.

Discuss the observations.

Cotton wool

Flat bottomed flasks

Corks

T-tubes

Thermometers

pyrogallic acid

NaOH solution.

P 140.

To describe epigeal germination.

Drawing comparative diagrams.

Drawing diagrams.

Discuss observations made.

Draw relevant diagrams.

Cork pin

Beaker

Indian ink

Blotting paper

Ruler.