OCEANS, SEAS AND THEIR COASTS

Distinction Between Oceans and Seas

By the end of the lesson, the learner should be able to:
Distinguish between oceans and seas based on size, location, and connection. Identify the four major oceans and their characteristics. Compare similarities and differences between oceans and seas.

Q/A to review water bodies from previous chapters. Discussion of ocean vs sea characteristics using world map. Students list major oceans and seas in exercise books.

Chalkboard, world map, atlas, exercise books

KLB Secondary Geography Form 3, Pages 113-114

OCEANS, SEAS AND THEIR COASTS

Nature of Ocean Water - Salinity and Temperature
Nature of Ocean Water - Ocean Life and Topography
Islands and Ocean Pollution

By the end of the lesson, the learner should be able to:
Explain ocean water salinity and factors affecting it. Describe temperature variations in ocean water with depth and latitude. Identify salt content composition in oceans.

Discussion of ocean water composition and salinity measurement. Drawing temperature variation diagrams on chalkboard. Students copy salt content percentages in notebooks.

Chalkboard, chalk, exercise books, thermometer for demonstration
Chalkboard, chalk, exercise books, textbooks
Chalkboard, chalk, exercise books, atlas

KLB Secondary Geography Form 3, Pages 114-117

OCEANS, SEAS AND THEIR COASTS

Water Movement - Vertical Movement
Water Movement - Ocean Currents
Major Ocean Currents
Tides - Formation and Causes

By the end of the lesson, the learner should be able to:
Explain vertical water movement through upwelling and downwelling. Describe causes: density differences and converging currents. Analyze significance for marine life and fishing.

Discussion of density differences in ocean water. Simple demonstration using warm and cold water in containers. Analysis of upwelling areas and fishing grounds.

Containers, warm and cold water, chalkboard, atlas
Chalkboard, chalk, globe, world map, exercise books
World map, atlas, chalkboard, exercise books
Chalkboard, chalk, exercise books, stones for demonstration

KLB Secondary Geography Form 3, Pages 120-122

OCEANS, SEAS AND THEIR COASTS

Types of Tides
Wave Formation and Types

By the end of the lesson, the learner should be able to:
Distinguish between perigean, apogean, spring, and neap tides. Explain semi-diurnal, mixed, and diurnal tide patterns. Describe tidal significance for coastal activities.

Drawing different tide type diagrams on chalkboard. Discussion of tidal patterns with examples. Students create tidal cycle charts in notebooks.

Chalkboard, chalk, exercise books, textbooks
Water basin, chalkboard, chalk, exercise books

KLB Secondary Geography Form 3, Pages 127-128

OCEANS, SEAS AND THEIR COASTS

Wave Erosion Processes and Features

By the end of the lesson, the learner should be able to:
Describe wave erosion processes: corrasion, hydraulic action, attrition, solution. Identify erosional features: cliffs, wave-cut platforms, caves, arches, stacks, stumps.

Discussion of erosion processes with practical examples. Drawing formation sequence of coastal erosional features on chalkboard. Students sketch feature formation stages.

Chalkboard, chalk, exercise books, pictures from textbook

KLB Secondary Geography Form 3, Pages 130-134

OCEANS, SEAS AND THEIR COASTS

Wave Transportation and Deposition
Coastal Depositional Features - Beaches and Spits

By the end of the lesson, the learner should be able to:
Explain longshore drift process and material transportation. Describe factors influencing coastal deposition. Identify transportation mechanisms along coasts.

Simple demonstration of longshore drift using sand and water. Discussion of sediment sorting and deposition patterns. Students draw longshore drift diagrams.

Sand, water container, chalkboard, chalk, exercise books
Chalkboard, chalk, exercise books, sand for demonstration

KLB Secondary Geography Form 3, Pages 134-135

OCEANS, SEAS AND THEIR COASTS

Coastal Depositional Features - Bars and Other Features

By the end of the lesson, the learner should be able to:
Explain bar formation: bay bars and offshore bars. Describe tombolo, cuspate foreland, mudflats, salt marshes, and dune belts formation.

Drawing different bar formation types on chalkboard. Discussion of lagoon formation behind bars. Students sketch various depositional features.

Chalkboard, chalk, exercise books, textbooks

KLB Secondary Geography Form 3, Pages 137-139

OCEANS, SEAS AND THEIR COASTS

Types of Coasts - Concordant and Discordant
Submerged Coasts - Highland and Lowland

By the end of the lesson, the learner should be able to:
Distinguish between concordant and discordant coasts. Explain factors determining coast types: wave action, tidal currents, rock nature, alignment.

Discussion of coast types with Kenya examples (Malindi-Lamu vs Mombasa). Analysis of factors affecting coastal development. Students identify coast types on maps.

Atlas, chalkboard, chalk, exercise books
Chalkboard, chalk, exercise books, maps of Kenya coast

KLB Secondary Geography Form 3, Pages 139-140

OCEANS, SEAS AND THEIR COASTS

Emerged Coasts
Coral Coasts and Reef Formation

By the end of the lesson, the learner should be able to:
Describe emerged coast formation through sea level fall. Identify upland features: raised beaches, notches, wave-cut platforms. Explain lowland features: fall-lines, gentle coastal plains.

Discussion of emergence processes and resultant features. Analysis of Kenya coast examples (Mama Ngina Drive, Oceanic Hotel). Students draw emerged coast profiles.

Chalkboard, chalk, exercise books, local examples
Chalkboard, chalk, exercise books, world map

KLB Secondary Geography Form 3, Pages 142-143

OCEANS, SEAS AND THEIR COASTS

Types of Coral Reefs

By the end of the lesson, the learner should be able to:
Distinguish between fringing reefs, barrier reefs, and atolls. Explain formation processes and characteristics of each reef type. Give examples from East Africa and globally.

Drawing coral reef formation diagrams on chalkboard. Discussion of Great Barrier Reef and local examples. Students sketch reef formation sequences.

Chalkboard, chalk, exercise books, atlas

KLB Secondary Geography Form 3, Pages 144-146

OCEANS, SEAS AND THEIR COASTS

Coral Reef Formation Theories
Significance of Oceans - Economic Importance

By the end of the lesson, the learner should be able to:
Explain Darwin's, Daly's, and Murray's theories of coral reef formation. Compare different explanations for barrier reef and atoll development.

Discussion of different coral formation theories with diagrams. Comparison of theory strengths and limitations. Students create theory comparison charts.

Chalkboard, chalk, exercise books, textbooks
Chalkboard, chalk, exercise books, world map

KLB Secondary Geography Form 3, Pages 146-148

OCEANS, SEAS AND THEIR COASTS

Significance of Coasts and Coastal Features
Unit Assessment

By the end of the lesson, the learner should be able to:
Describe coastal benefits: ports, harbours, fishing grounds, tourism, building materials. Explain marine life habitats and transport challenges.

Discussion of coastal economic activities with Kenya examples. Analysis of port development and coastal tourism. Students evaluate coastal significance.

Chalkboard, chalk, exercise books, maps of Kenya
Assessment papers, atlas, exercise books, maps

KLB Secondary Geography Form 3, Pages 149-150

ACTION OF WIND AND WATER IN ARID AREAS

Definition of Terms and Types of Deserts
Wind Erosion Processes
Wind Erosion Features - Small Scale

By the end of the lesson, the learner should be able to:
Define arid lands and aridity as areas receiving less than 250mm annual rainfall. Classify deserts: hot continental interior, coastal, mid-latitude, and ice/snow deserts. Identify examples globally and in Kenya (ASAL areas, Chalbi, Kaisut, Karoli).

Q/A to review climate and aridity concepts from Form 2. Discussion of world desert distribution using atlas. Students list desert types and examples in exercise books.

Chalkboard, world map, atlas, exercise books
Sand, small container, chalkboard, chalk, exercise books
Chalkboard, chalk, exercise books, small stones for demonstration

KLB Secondary Geography Form 3, Pages 151-152

ACTION OF WIND AND WATER IN ARID AREAS

Wind Erosion Features - Large Scale
Wind Transportation and Deposition
Sand Dunes - Barchans and Seif Dunes

By the end of the lesson, the learner should be able to:
Explain formation of mushroom blocks, zeugens, yardangs, and deflation hollows. Describe large-scale erosional features with examples like Mukarob rock in Namibia and Qattara Depression in Egypt.

Drawing large-scale erosional feature formation on chalkboard. Discussion of vertical vs horizontal rock structures. Analysis of feature distribution in world deserts.

Chalkboard, chalk, exercise books, atlas
Sand, fan or strong breath, chalkboard, chalk, exercise books
Sand, small obstacles, chalkboard, chalk, exercise books

KLB Secondary Geography Form 3, Pages 155-157

ACTION OF WIND AND WATER IN ARID AREAS

Other Dune Types, Draas, and Loess
Water Action in Arid Areas - Wadis and Inselbergs
Pediments, Pediplains, and Plateau Features

By the end of the lesson, the learner should be able to:
Explain transverse and wake dune formation. Describe draas as large dune features up to 200m high. Define loess as fine-grained wind-deposited soil with examples from Europe, China, and Americas.

Discussion of various dune types and their wind conditions. Analysis of global loess distribution and agricultural importance. Students compare different depositional features.

Chalkboard, chalk, exercise books, world map
Chalkboard, chalk, exercise books, pictures from textbook
Chalkboard, chalk, exercise books, textbooks

KLB Secondary Geography Form 3, Pages 159-160

ACTION OF WIND AND WATER IN ARID AREAS

Water Deposition Features and Dry Valleys

By the end of the lesson, the learner should be able to:
Describe alluvial fan and bajada formation at upland feet. Explain playa and salina development in basins. Identify dry river valleys (laghs/lagas) common in northern Kenya counties.

Discussion of seasonal water flow and deposition patterns. Analysis of Kenya's northern dry valleys with county examples. Students map regional examples of water features.

Maps of Kenya, chalkboard, chalk, exercise books

KLB Secondary Geography Form 3, Pages 163-164

ACTION OF WIND AND WATER IN ARID AREAS
Action of Water in Limestone Areas

Significance of Arid Features
Surface and Underground Water

By the end of the lesson, the learner should be able to:
Explain positive significance: solar energy potential, mineral resources, tourism attractions, unique ecosystems. Describe negative impacts: sand dune migration, agricultural threats, water scarcity challenges, settlement difficulties.

Discussion of arid area opportunities and challenges with global and local examples. Analysis of Kenya's ASAL development potential and problems. Students evaluate significance balance.

Chalkboard, chalk, exercise books, pictures of solar panels
Charts showing water sources, Rock samples, Diagrams of percolation and water table, Transparent containers

KLB Secondary Geography Form 3, Pages 164-165

Action of Water in Limestone Areas

Features Resulting from Underground Water
Importance of Underground Water

By the end of the lesson, the learner should be able to:
Identify features resulting from underground water: springs, wells, artesian basins and wells. Describe spring formation in well-jointed limestone, at scarp slopes, and spring-lines. Explain well construction and distinguish permanent, intermittent and dry wells. Define artesian basin structure and conditions for artesian well location.

Exposition on springs as "natural outflow of water from rocks" with formation methods in limestone areas. Discussion on bournes as intermittent streams in chalk areas. Explanation of wells as "holes sunk into permeable rock to reach water table" using textbook diagrams. Detailed discussion on artesian basin structure and examples including London Basin, Great Australian Basin, Sahara, Kalahari.

Topographical maps, Geological cross-sections, Textbook diagrams, 3D models, World maps
Photographs of key sites, Maps of Kenya, Case study materials, Charts showing applications

KLB Secondary Geography Form 3, Pages 170-172

Action of Water in Limestone Areas

Action of Water in Limestone Areas and Resultant Features

By the end of the lesson, the learner should be able to:
Define karst as area with limestone, chalk or dolomite. Explain chemical processes forming carbonic acid and calcium bicarbonate. Identify conditions for karst development. Describe surface features: grikes/clints, swallow holes, dolines, uvalas, poljes, gorges. Describe underground features: caves, underground rivers, stalactites, stalagmites, limestone pillars.

Q/A to review limestone characteristics from Form 1. Exposition on karst origin and chemical equations. Discussion on development conditions including jointed rocks, humid climate, deep water table. Progressive explanation of surface features using textbook diagrams and formation table. Exposition on underground features with stalactite/stalagmite formation processes. Examples from various countries including Kenya's Marafa Cave.

Limestone samples, Weak acids, Sequential diagrams, Clay for modeling, Salt solution setup, Cave photographs, Safety equipment

KLB Secondary Geography Form 3, Pages 172-178

Action of Water in Limestone Areas
Glaciation

Significance of Resultant Features
Definition of Terms

By the end of the lesson, the learner should be able to:
Explain significance of karst landscape features to humankind and countries. Analyze positive and negative impacts of karst features. Evaluate economic importance of limestone areas including tourism, water supply challenges, industrial uses, grazing potential.

Probing questions on karst landscape significance. Detailed discussion on significance aspects including tourism attractions like caves and gorges, solution lakes providing water sources, water scarcity due to intermittent streams, infrastructure development challenges, limestone use in iron/steel industry, grazing suitability for sheep, cement production like Bamburi and Athi River factories, environmental management challenges. Q/A on sustainable use of limestone resources. Topic assessment.

Economic charts, Photographs of industries, Tourism materials, Infrastructure maps, Assessment worksheets
Charts showing snowline variations, Diagrams of ice formation, Maps showing ice distribution, Safety materials

KLB Secondary Geography Form 3, Pages 178-179

Glaciation

Types of Glaciers and Ice Masses

By the end of the lesson, the learner should be able to:
Distinguish between valley and piedmont glaciers. Define ice sheets and ice caps. Identify African glacier examples. Describe nunataks.

Exposition on glacier types with African examples. Discussion on ice sheet characteristics and global distribution. Explanation of ice cap types and locations. Reference to textbook glacier table showing major examples worldwide. Group work identifying glacier locations on maps.

Glacier example tables, World maps, Photographs of mountain glaciers, Distribution charts

KLB Secondary Geography Form 3, Pages 182-183

Glaciation

Icebergs and Ice Movement
Processes of Glaciation

By the end of the lesson, the learner should be able to:
Define icebergs and explain their formation. Describe iceberg distribution. Explain three ways ice moves. Analyze factors affecting ice movement speed.

Exposition on iceberg formation and distribution. Discussion on iceberg movement by ocean currents. Explanation of ice movement mechanisms including freeze-thaw action, basal slip, and extrusion flow. Analysis of movement speed factors and rates. Comparison of different glacier movement speeds.

World maps showing icebergs, Ocean current charts, Movement mechanism diagrams, Speed comparison data
Rock samples, Process diagrams, Moraine type charts, Glacial debris photographs

KLB Secondary Geography Form 3, Pages 183-184

Glaciation
Soil

Glacial Features and Significance
Definition and Composition of Soil

By the end of the lesson, the learner should be able to:
Describe highland and lowland glacial features. Analyze positive and negative significance of glaciation.

Discussion on highland feature formation processes and characteristics. Description of lowland glacial features and formation. Analysis of glaciation significance including economic benefits and challenges. Examples from East African mountains and world locations. Group work on significance evaluation and local applications.

Formation diagrams, Feature photographs, Economic impact charts, Maps showing benefits, East African examples
Soil samples, Composition diagrams, Constituent charts, Microscopes

KLB Secondary Geography Form 3, Pages 186-194

Soil

Soil Forming Processes

By the end of the lesson, the learner should be able to:
Explain soil formation through weathering and decomposition. Describe leaching processes including ferralisation, eluviation, podzolisation, calcification.

Discussion on weathering as primary formation process. Exposition on decomposition stages: mineralisation and humification. Explanation of leaching types with climatic examples. Reference to formation diagrams.

Rock samples, Decomposition diagrams, Leaching process charts, Formation illustrations

KLB Secondary Geography Form 3, Pages 200-203

Soil

Factors Influencing Soil Formation
Properties and Profile

By the end of the lesson, the learner should be able to:
Identify five soil formation factors. Explain parent material influence on soil type. Analyze climate and organism effects. Describe topography and time factors.

Exposition on parent material as key factor determining soil type. Discussion on climate effects including rainfall and temperature variations. Analysis of vegetation and micro-organism roles. Explanation of slope and time influences on soil development.

Parent rock samples, Climate charts, Vegetation specimens, Maps, Time examples
Soil structure samples, pH materials, Colour charts, Profile diagrams, Catena illustrations

KLB Secondary Geography Form 3, Pages 203-205

Soil

Soil Degeneration and Erosion
Classification and Management

By the end of the lesson, the learner should be able to:
Define soil degeneration and classify types. Describe erosion types and processes. Identify conditions favouring soil erosion.

Exposition on degeneration types: physical, chemical, biological with causes. Discussion on erosion processes from splash to gully formation. Analysis of erosion factors with Kenyan examples.

Erosion photographs, Degeneration charts, Local examples, Process diagrams
Classification charts, Distribution maps, Conservation photographs, Practice examples

KLB Secondary Geography Form 3, Pages 209-214

AGRICULTURE

Introduction and Definition of Agriculture
Physical Factors: Climate
Physical Factors: Relief and Soil

By the end of the lesson, the learner should be able to:
Define agriculture as growing crops and rearing livestock for human needs; Identify factors influencing agriculture; Explain scope of agricultural activities

Q/A on local farming; Discussion on agriculture definition; List agricultural activities; Introduction to influencing factors

Charts showing agricultural activities, Pictures of crops and livestock, Map of Kenya
Maps showing climate zones, Rainfall charts, Pictures of crops, Thermometers
Soil samples, pH testing materials, Maps of Pampas and Prairies, Terraced farming pictures

KLB Secondary Geography Form 3, Pages 232-233

AGRICULTURE

Biotic and Human Factors
Types of Agriculture: Simple Subsistence and Sedentary Agriculture
Intensive Subsistence Agriculture and Plantation Agriculture

By the end of the lesson, the learner should be able to:
Identify biotic factors; Distinguish useful and destructive insects; Explain social factors; Analyze economic factors

Brainstorm local crop organisms; Discuss Desert Locust Control Organisation; Study on religious farming restrictions; Analyze coffee price effects

Pictures of pests, Insect specimens, Wilson Airport maps, Price charts
Maps of tropical lands, Slash-and-burn pictures, Farming systems diagrams
Monsoon Asia maps, Rice terraces pictures, Plantation distribution charts

KLB Secondary Geography Form 3, Pages 238-242

AGRICULTURE

Mediterranean Agriculture, Mixed Farming, and Livestock Farming
Distribution of Major Cash Crops in Kenya
Tea Farming in Kenya

By the end of the lesson, the learner should be able to:
Describe Mediterranean agriculture regions; Explain farming aspects; Define mixed farming; Identify livestock farming types

Study Mediterranean regions; Analyze orchard farming, viticulture; Discuss mixed farming areas; Introduction to livestock types

Mediterranean maps, Olive grove pictures, Crop combination charts
Figure 13.7 map, Cash crop pictures, Colonial agriculture photos
Figure 13.8 map, Plantation pictures, Processing flow chart, Tea samples

KLB Secondary Geography Form 3, Pages 248-252

AGRICULTURE

Tea Marketing and Sugar-cane Farming

By the end of the lesson, the learner should be able to:
Explain KTDA role (260,000 farmers); Describe export destinations; Identify sugar-cane belt; Explain growing conditions

Discuss KTDA achievements; Study Figure 13.10 sugar areas; Analyze out-grower schemes; Sugar processing and uses

KTDA charts, Figure 13.10 map, Factory pictures, Processing diagrams

KLB Secondary Geography Form 3, Pages 257-262

AGRICULTURE

Maize Growing and Cocoa in Ghana
Oil Palm in Nigeria and Coffee Farming

By the end of the lesson, the learner should be able to:
Identify maize areas and Katumani variety; Describe growing conditions; Identify Ghana cocoa triangle; Explain cocoa conditions

Study Figure 13.14 maize areas; Discuss Portuguese introduction; Analyze Ghana cocoa using Figure 13.15; Cocoa processing to export

Figure 13.14 map, Maize pictures, Figure 13.15 Ghana map, Processing charts
Oil palm pictures, Figure 13.18 coffee map, Processing charts, pH testing materials

KLB Secondary Geography Form 3, Pages 262-270

AGRICULTURE

Wheat Growing and Horticulture
Pastoral Farming and Dairy Farming
Beef Farming and Agricultural Fieldwork

By the end of the lesson, the learner should be able to:
Identify wheat areas and conditions; Compare with Canada's advantages; Define horticulture; Identify horticultural areas

Study Figure 13.20 wheat areas; Analyze Canadian Prairie advantages; Discuss horticultural companies; Export market analysis

Figure 13.20 map, Harvester pictures, Figure 13.25 horticulture map, Export charts
Figure 13.29 map, Pastoral pictures, Table 13.1, Cattle breed photos
Cattle breed pictures, Figure 13.40 Pampas map, Sample questionnaires, Data sheets

KLB Secondary Geography Form 3, Pages 283-299