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SCHEME OF WORK
Geography
Form 4 2025
TERM III
School


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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1-2

OPENING OF THE SCHOOL AND DOING OF OPENER EXAM

2 2
Map Work
Introduction and Precautions in Map Reading
By the end of the lesson, the learner should be able to:
Identify and describe physical features on topographical maps
Identify and describe human activities on topographical maps
Outline precautions observed when describing physical features and human activities
Use appropriate phrases when reading maps
Q/A session reviewing maps and mapwork from Forms 1 and 2; Exposition of precautions when describing physical and human features; Discussion on appropriate and inappropriate phrases; Practice using correct directional terms instead of "left", "right", "top", "bottom"
Topographical maps, Sample phrases worksheet, Compass directions chart
Secondary Geography Form 3 Student's Book, Pages 11-13
2 3
Map Work
Landforms - Dissected and Rolling Relief
By the end of the lesson, the learner should be able to:
Identify landforms using contours, conventional signs and names
Describe dissected relief using crooked and irregular contours
Identify rolling landform characteristics
Interpret relief patterns from topographical maps
Study the map before looking at the key; Exposition of dissected relief characteristics; Analysis of Figure 2.1 and Figure 2.2; Practice identifying crooked contours and undulating relief; Guided interpretation of landform patterns
Topographical maps showing different relief types, Figure 2.1 and 2.2 from textbook, Tracing paper
Secondary Geography Form 3 Student's Book, Pages 12-14
2 4
Map Work
Hilly/Mountainous Relief, Valleys and Slope Types
By the end of the lesson, the learner should be able to:
Identify hilly or mountainous relief characteristics
Recognize V-shaped valleys and U-shaped contours
Determine nature of slope using contour patterns, spacing and height
Distinguish between even, convex and concave slopes
Detailed discussion on hilly/mountainous relief using Figure 2.3(a); Study of valley formation using Figure 2.3(b); Explanation of slope types using Figures 2.4, 2.5, and 2.6; Practice identifying slope characteristics and intervisibility
Figures 2.3(a), (b), 2.4, 2.5, 2.6, Examples from Kisii Highlands, Sample topographical maps with various slopes
Secondary Geography Form 3 Student's Book, Pages 14-17
2 5
Map Work
Spurs, Passes, Saddles, Ridges and Major Landforms
By the end of the lesson, the learner should be able to:
Identify interlocking and truncated spurs using contour patterns
Distinguish between passes and saddles using transport lines
Recognize ridges, escarpments and plateaus
Identify water-related features like peninsulas, bays and watersheds
Exposition of spurs using Figures 2.7(a), (b); Analysis of passes and saddles using Figure 2.8; Study of ridges, escarpments and plateaus using Figures 2.9, 2.10, 2.11; Explanation of water features and watersheds using Figure 2.12
Figures 2.7-2.12, Examples of Marich Pass, Kikuyu Plateau, Uyoma Peninsula, Topographical maps showing landforms
Secondary Geography Form 3 Student's Book, Pages 17-22
3 1
Map Work
Vegetation and Natural Hydrographic Features
By the end of the lesson, the learner should be able to:
Identify vegetation types and symbols on topographical maps
Distinguish between perennial, intermittent and disappearing rivers
Recognize natural hydrographic features using appropriate symbols
Describe vegetation distribution and suggest influencing factors
Study of Figure 2.13 vegetation key and symbols; Analysis of Figure 2.14(a), (b), (c) showing different river types; Practice identifying vegetation distribution patterns; Discussion of factors causing different river types and vegetation patterns
Figure 2.13 vegetation key, Figures 2.14(a)-(c), Maps showing vegetation and rivers, Symbol identification charts
Secondary Geography Form 3 Student's Book, Pages 19-22
3 2
Map Work
Drainage Patterns and Other Water Features
By the end of the lesson, the learner should be able to:
Identify all drainage patterns: dendritic, trellis, rectangular, radial, annular, centripetal and parallel
Suggest geological conditions for each drainage pattern
Recognize lakes, swamps, waterfalls and artificial hydrographic features
Use water features to interpret climate and geological conditions
Detailed discussion of all drainage patterns using Figures 2.15-2.21; Analysis of tributary junction angles and geological implications; Study of Figure 2.22 showing artificial features; Practice identifying patterns and making geological interpretations
Figures 2.15-2.22, Sample maps with different drainage patterns, Pattern identification worksheets, Artificial features examples
Secondary Geography Form 3 Student's Book, Pages 22-25
3 3
Map Work
Climate Interpretation and Economic Activities
By the end of the lesson, the learner should be able to:
Use drainage, vegetation and human activities evidence to interpret climate
Identify agricultural activities through plantation symbols and processing facilities
Recognize mining, forestry and fishing activities using appropriate evidence
Distinguish between small scale and large scale farming indicators
Discussion of climate interpretation using map evidence; Analysis of plantation farming symbols and estate names; Study of mining evidence: symbols, processing plants; Identification of forestry through saw-mills and forest reserves; Recognition of fishing through facilities and co-operatives
Climate interpretation guidelines, Maps showing agricultural and mining areas, Processing facility examples, Economic activity symbols chart
Secondary Geography Form 3 Student's Book, Pages 25-28
3 4
Map Work
Manufacturing, Services, Transport and Settlement Factors
By the end of the lesson, the learner should be able to:
Identify manufacturing through processing plants and factories
Recognize service activities and tourism facilities
Identify transport modes: land, air and water transport
Analyze factors influencing settlement: water, defence, health, soils, drainage, transport, relief
Study of manufacturing indicators: mills, ginneries, factories; Analysis of service evidence: shops, markets, communication facilities; Recognition of transport evidence: roads, railways, airstrips; Detailed discussion of settlement factors using Figures 2.23(a), (b) and 2.24
Manufacturing symbols, Service facility examples, Transport mode indicators, Figures 2.23(a), (b), 2.24, Settlement factor analysis worksheets
Secondary Geography Form 3 Student's Book, Pages 28-31
3 5
Map Work
Settlement Patterns and Map Enlargement/Reduction
By the end of the lesson, the learner should be able to:
Identify nucleated, linear and dispersed settlement patterns
Distinguish between site and position of settlements
Enlarge maps using squares method and determine new dimensions
Reduce maps following same procedures with appropriate scale changes
Analysis of settlement patterns using Figures 2.25(b)-(d); Discussion of settlement site vs position concepts; Demonstration of enlargement procedures using Table 2.1 and Figures 2.26(a), (b); Practice calculating new frame sizes and plotting features accurately
Figures 2.25(b)-(d), Table 2.1, Figures 2.26(a), (b), Graph paper, Rulers, Sample maps for enlargement practice
Secondary Geography Form 3 Student's Book, Pages 29-34
4 1
Map Work
Drawing Cross-Sections and Profiles
By the end of the lesson, the learner should be able to:
Draw cross-sections using proper steps and procedures
Calculate amplitude of relief and determine vertical scales
Plot heights accurately and draw smooth curves
Annotate cross-sections with appropriate labels using downward facing arrows
Step-by-step demonstration of cross-section construction using Figure 2.29; Practice calculating amplitude and selecting appropriate scales; Guided construction of cross-sections with proper plotting techniques; Training on annotation methods with downward arrows only
Figure 2.29 cross-section example, Graph paper, Strip paper for plotting, Rulers and pencils, Sample topographical maps for practice
Secondary Geography Form 3 Student's Book, Pages 34-36
4 2
Map Work
Drawing Cross-Sections and Profiles
By the end of the lesson, the learner should be able to:
Draw cross-sections using proper steps and procedures
Calculate amplitude of relief and determine vertical scales
Plot heights accurately and draw smooth curves
Annotate cross-sections with appropriate labels using downward facing arrows
Step-by-step demonstration of cross-section construction using Figure 2.29; Practice calculating amplitude and selecting appropriate scales; Guided construction of cross-sections with proper plotting techniques; Training on annotation methods with downward arrows only
Figure 2.29 cross-section example, Graph paper, Strip paper for plotting, Rulers and pencils, Sample topographical maps for practice
Secondary Geography Form 3 Student's Book, Pages 34-36
4 3
Map Work
ACTION OF WIND AND WATER IN ARID AREAS
Vertical Exaggeration, Gradient and Intervisibility
Definition of Terms and Types of Deserts
By the end of the lesson, the learner should be able to:
Calculate vertical exaggeration as ratio of horizontal to vertical scale
Determine appropriate exaggeration using relief amplitude guidelines
Calculate gradient using normal and trigonometric ratios
Determine intervisibility by drawing cross-sections and calculating gradients
Exposition of vertical exaggeration calculation using Table 2.2 guidelines; Demonstration of gradient calculation using Figure 2.30 with both methods; Analysis of intervisibility using Figure 2.31; Practice calculating line of sight and identifying dead ground areas
Table 2.2 interpretation guide, Figure 2.30 gradient example, Figure 2.31 intervisibility, Calculators, Logarithm tables
Chalkboard, world map, atlas, exercise books
Secondary Geography Form 3 Student's Book, Pages 36-39
4 4
ACTION OF WIND AND WATER IN ARID AREAS
Wind Erosion Processes
Wind Erosion Features - Small Scale
By the end of the lesson, the learner should be able to:
Explain wind erosion processes: abrasion, attrition, and deflation. Describe factors favoring wind action in hot deserts: unconsolidated particles, scanty vegetation, tropical storms.
Discussion of wind erosion mechanisms with practical examples. Simple demonstration using sand and breath/fan to show wind effect. Students draw erosion process diagrams.
Sand, small container, chalkboard, chalk, exercise books
Chalkboard, chalk, exercise books, small stones for demonstration
KLB Secondary Geography Form 3, Pages 152-153
4 5
ACTION OF WIND AND WATER IN ARID AREAS
Wind Erosion Features - Large Scale
Wind Transportation and Deposition
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
KLB Secondary Geography Form 3, Pages 155-157
5 1
ACTION OF WIND AND WATER IN ARID AREAS
Sand Dunes - Barchans and Seif Dunes
Other Dune Types, Draas, and Loess
By the end of the lesson, the learner should be able to:
Describe barchan formation around obstacles creating crescent shapes. Explain seif dune development as parallel ridges aligned with prevailing winds. Give examples from Sahara, Arabian deserts, and Kenya (Lamu, Chalbi).
Drawing detailed barchan and seif dune formation diagrams on chalkboard. Discussion of wind direction effects on dune shapes. Students model dune formation with sand.
Sand, small obstacles, chalkboard, chalk, exercise books
Chalkboard, chalk, exercise books, world map
KLB Secondary Geography Form 3, Pages 157-159
5 2
ACTION OF WIND AND WATER IN ARID AREAS
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 wadi formation through flash floods creating steep dry valleys. Describe inselberg development as residual rock masses through slope retreat. Give examples from Algeria, Egypt, Saudi Arabia, and Kenya (Nzambani Rock).
Discussion of flash flood processes and erosional effects. Drawing wadi and inselberg formation diagrams on chalkboard. Analysis of water action despite aridity.
Chalkboard, chalk, exercise books, pictures from textbook
Chalkboard, chalk, exercise books, textbooks
KLB Secondary Geography Form 3, Pages 160-161
5 3
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
5 4
ACTION OF WIND AND WATER IN ARID AREAS
Significance of Arid Features
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
KLB Secondary Geography Form 3, Pages 164-165
5 5
ACTION OF WIND AND WATER IN ARID AREAS
Significance of Arid Features
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
KLB Secondary Geography Form 3, Pages 164-165
6 1
SETTLEMENT
Definition of Settlement and Types
By the end of the lesson, the learner should be able to:
Define human settlement and distinguish between rural and urban settlements. Explain characteristics of rural settlements. Describe functions of urban settlements. Account for urbanisation concept and its origins.
Q/A on local settlement types and characteristics. Teacher explains settlement definitions and types. Discussion on rural settlements and primary activities. Analysis of urban settlements and secondary/tertiary functions. Study of urbanisation concept from Greek origins.
Chalkboard, textbook, exercise books, pen/pencil
KLB Secondary Geography Form 4, Pages 198-200
6 2
SETTLEMENT
Factors Influencing Location and Patterns of Settlement - Geographical Factors
By the end of the lesson, the learner should be able to:
Explain the influence of climate on settlement location. Describe how landforms affect settlement patterns. Account for the role of environmental diseases in settlement decisions. Analyze the impact of soil fertility and water bodies on settlement.
Discussion on climate factors including rainfall and temperature effects. Analysis of landform influences and elevation preferences. Study of disease-affected areas and their sparse settlement. Examination of soil fertility and water body influences on settlement density.
Chalkboard, textbook, map of Africa, exercise books
KLB Secondary Geography Form 4, Pages 200-202
6 3
SETTLEMENT
Factors Influencing Location and Patterns of Settlement - Economic and Other Factors
By the end of the lesson, the learner should be able to:
Explain economic factors influencing settlement patterns. Describe the role of defence and security in settlement location. Account for government planning effects on settlement. Analyze cultural practices and historical factors.
Analysis of economic activities affecting settlement including nomadic pastoralism and arable farming. Discussion on defence considerations and historical hill settlements. Study of government settlement schemes and planning policies. Examination of cultural practices and tribal sentiments affecting distribution.
Chalkboard, textbook, exercise books, pen/pencil
KLB Secondary Geography Form 4, Pages 202-204
6 4
SETTLEMENT
Settlement Patterns
By the end of the lesson, the learner should be able to:
Define and describe nucleated settlement patterns. Explain dispersed settlement patterns and their characteristics. Account for linear settlement patterns. Give examples of each pattern type from East Africa.
Teacher explains nucleated settlements around oases and mining areas. Discussion on dispersed settlements in plateau areas and large holdings. Analysis of linear settlements along rivers, roads and transport lines. Students identify settlement patterns in their local area.
Chalkboard, textbook, exercise books, pen/pencil
KLB Secondary Geography Form 4, Pages 204-206
6 5
SETTLEMENT
Distribution of Major Urban Centres in East Africa
By the end of the lesson, the learner should be able to:
Identify categories of urban centres in East Africa. Locate capital cities, sea ports and lake ports. Describe mining towns, industrial towns and collecting towns. Account for gap towns and administrative towns.
Map work identifying major urban centres across East Africa. Discussion on capital cities: Nairobi, Dar-es-Salaam, Kampala. Study of sea ports and lake ports with their functions. Analysis of different town categories with specific examples.
Chalkboard, textbook, map of East Africa, exercise books
KLB Secondary Geography Form 4, Pages 206-208
7 1
SETTLEMENT
Factors Influencing Growth of Major Urban Centres in East Africa
By the end of the lesson, the learner should be able to:
Explain rural-urban migration as a growth factor. Describe natural population growth in urban areas. Account for infrastructure development effects. Analyze industrialisation, mining and tourism impacts on urban growth.
Discussion on rural-urban migration patterns and causes. Analysis of natural urban population growth and demographic factors. Study of transport infrastructure and accessibility advantages. Examination of industrial development and mining effects on town growth.
Chalkboard, textbook, exercise books, pen/pencil
KLB Secondary Geography Form 4, Pages 208-210
7 2
SETTLEMENT
Case Studies - Thika as Industrial Centre and Kisumu as Lake Port
By the end of the lesson, the learner should be able to:
Describe Thika's location and industrial development. Explain factors favouring Thika's growth as industrial centre. Account for Kisumu's development as major lake port. Analyze factors contributing to Kisumu's growth and importance.
Study of Thika's strategic location and major industries. Analysis of factors including road network, proximity to Nairobi, and water supply. Discussion on Kisumu's history from Port Florence to major lake port. Examination of Kisumu's advantages including strategic location and population density.
Chalkboard, textbook, map of Kenya, exercise books
KLB Secondary Geography Form 4, Pages 210-213
7 3
SETTLEMENT
Case Study - Eldoret as Agricultural Collecting Centre
By the end of the lesson, the learner should be able to:
Describe Eldoret's location and historical development. Explain factors making Eldoret a leading agricultural collecting centre. Account for Eldoret's growth and expansion. Analyze Eldoret's multiple functions beyond agriculture.
Discussion on Eldoret's establishment by white settlers and agricultural focus. Analysis of strategic location along Nairobi-Kampala route. Study of collection and export facilities including airport and pipeline. Examination of administrative, educational and tourism functions.
Chalkboard, textbook, map of Kenya, exercise books
KLB Secondary Geography Form 4, Pages 213-215
7 4
SETTLEMENT
Nairobi City Development
By the end of the lesson, the learner should be able to:
Trace Nairobi's growth from railway camp to major city. Explain factors influencing Nairobi's development. Describe Nairobi's current status and international importance. Account for various functions performed by Nairobi.
Study of Nairobi's origins during railway construction and strategic advantages. Analysis of factors including climate, water supply and central location. Discussion on Nairobi's elevation to city status and international organizations. Examination of industrial, administrative, educational and commercial functions.
Chalkboard, textbook, map of Kenya, exercise books
KLB Secondary Geography Form 4, Pages 215-217
7 5
SETTLEMENT
Problems Facing Nairobi and New York City Comparison
By the end of the lesson, the learner should be able to:
Identify major problems facing Nairobi City. Describe New York City's location and development factors. Compare growth factors between Nairobi and New York. Analyze similarities and differences between the two cities.
Analysis of Nairobi's problems including unemployment, housing, pollution and traffic congestion. Study of New York's location on islands and historical development. Discussion on New York's advantages as international centre and transport hub. Comparison of similarities and differences between both cities.
Chalkboard, textbook, world map, exercise books
KLB Secondary Geography Form 4, Pages 217-221
8 1
SETTLEMENT
Mombasa Port Development and Functions
By the end of the lesson, the learner should be able to:
Describe Mombasa's location and physical setting. Explain factors contributing to Mombasa's growth as major port. Account for modern developments at Kilindini Harbour. Analyze Mombasa's role as tourist and cultural centre.
Study of Mombasa's strategic coastal location and island setting. Analysis of railway connection and modern harbour facilities. Discussion on containerisation and Ro-Ro methods. Examination of oil refinery establishment and large hinterland.
Chalkboard, textbook, map of Kenya, exercise books
KLB Secondary Geography Form 4, Pages 221-224
8 2
SETTLEMENT
Rotterdam Port and Comparison with Mombasa
By the end of the lesson, the learner should be able to:
Describe Rotterdam's location and development history. Explain factors leading to Rotterdam's growth as world's busiest port. Account for modern facilities and extensive hinterland. Compare similarities and differences between Mombasa and Rotterdam ports.
Study of Rotterdam's location at river mouths and historical challenges. Analysis of New Waterway canal construction and Europoort development. Discussion on strategic location and modern cargo handling facilities. Comparison of both ports' hinterlands, facilities and functions.
Chalkboard, textbook, world map, exercise books
KLB Secondary Geography Form 4, Pages 224-227
8 3
SETTLEMENT
Effects of Urbanisation - Social and Economic Problems
By the end of the lesson, the learner should be able to:
Explain congestion problems in urban areas. Describe unemployment and pressure on social amenities. Account for environmental degradation in cities. Analyze increased crime and family breakdown issues.
Discussion on urban congestion during rush hours and events. Analysis of unemployment problems and job market limitations. Study of pressure on educational, health and infrastructure facilities. Examination of pollution, noise and garbage management problems.
Chalkboard, textbook, exercise books, pen/pencil
KLB Secondary Geography Form 4, Pages 227-230
8 4
SETTLEMENT
Effects of Urbanisation and Solutions
By the end of the lesson, the learner should be able to:
Describe mental health disorders and housing problems in cities. Explain juvenile delinquency and urban sprawl issues. Suggest solutions to urbanisation problems. Evaluate effectiveness of proposed solutions.
Analysis of stress-related mental health problems in urban areas. Discussion on housing shortage leading to slum development. Study of youth problems and criminal activities. Examination of urban sprawl affecting agricultural land. Students suggest practical solutions to urbanisation challenges.
Chalkboard, textbook, exercise books, pen/pencil
KLB Secondary Geography Form 4, Pages 230-232
8 5
MANAGEMENT & CONSERVATION OF THE ENVIRONMENT
Introduction to Environment, Management and Conservation
The Need for Environmental Management and Conservation
By the end of the lesson, the learner should be able to:
Define the terms environment, biodiversity, ecosystem, environmental management and conservation. Explain the relationship between living and non-living components of environment. Outline reasons for environmental management and conservation.
Q/A: Review previous knowledge on environment from earlier classes. Teacher exposition on key terms with examples. Group discussion on local environmental components. Students identify examples of natural and social environments in their locality. Brainstorming on importance of environmental conservation.
Charts showing ecosystem components, Pictures of local environment, Newspaper cuttings on environmental issues
Maps showing conservation areas in Kenya, Photos of endangered species, Economic data charts
KLB Secondary Geography Form 4, Pages 228-231
9 1
MANAGEMENT & CONSERVATION OF THE ENVIRONMENT
Environmental Hazards: Natural Disasters
Environmental Hazards: Drought, Fires and Other Hazards
By the end of the lesson, the learner should be able to:
Define environmental hazards and distinguish between natural and human-induced hazards. Describe characteristics and impacts of tropical cyclones, seismic disturbances, and volcanic eruptions. Explain the formation and effects of tsunamis.
Teacher exposition on types of environmental hazards. Detailed study of tropical cyclones (hurricanes, typhoons, tornadoes) with specific examples. Discussion on seismic activities using Pacific Ring of Fire as case study. Analysis of 2004 Indian Ocean tsunami disaster. Students locate major earthquake zones on world map.
World maps showing disaster-prone areas, Photos/videos of natural disasters, Richter Scale charts, News reports on recent disasters
Maps of drought-prone areas in Africa, Photos of desertification, Newspaper reports on industrial accidents, Charts showing oil spill effects
KLB Secondary Geography Form 4, Pages 231-235
9 2
MANAGEMENT & CONSERVATION OF THE ENVIRONMENT
Floods: Causes, Effects and Control Measures
Lightning, Windstorms, Pests and Diseases
By the end of the lesson, the learner should be able to:
Explain the causes of floods including natural and human factors. Analyze the effects of flooding on human activities and environment. Evaluate various flood control measures and their effectiveness.
Q/A on previous environmental hazards. Teacher explanation of flood formation and types (flash floods, seasonal floods). Detailed case study of flooding in Kenya (Kano Plains, Budalangi, Tana River). Discussion on flood control measures: dam construction, dredging, dykes, levees, afforestation. Practical activity: design flood control system for local area. Group presentation on flood management strategies.
Maps of flood-prone areas in Kenya, Photos of flood damage, Diagrams of flood control structures, Case study materials
Diagrams of lightning formation, Photos of lightning arresters, Maps showing tsetse fly distribution, Health campaign materials, Charts on pest control methods
KLB Secondary Geography Form 4, Pages 236-239
9 3
MANAGEMENT & CONSERVATION OF THE ENVIRONMENT
Pollution: Types, Causes and Control Measures
By the end of the lesson, the learner should be able to:
Define pollution and identify main types of pollution. Explain causes and effects of air, water, land and sound pollution. Analyze pollution control measures being implemented in Kenya. Evaluate the role of individuals in environmental conservation.
Brainstorming on meaning of pollution with local examples. Detailed study of four types of pollution: air pollution (greenhouse gases, ozone depletion), water pollution (industrial, agricultural, domestic sources), land pollution (solid waste, mining), sound pollution (noise sources). Case studies: Lake Naivasha flower farms, River Nzoia industrial pollution, Nakuru flamingo deaths. Discussion on pollution control measures and government policies. Individual assignment on personal environmental conservation practices.
Photos of polluted environments, Charts showing pollution sources, Water quality test kits, Sound level meters (if available), Government policy documents
KLB Secondary Geography Form 4, Pages 245-251

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