Geography Form 3

TERM ONE TOPICS

Population

Factors influencing distribution and density of population – historical, cultural, physical, socioeconomic factors.

Dot and choropleth maps and population pyramids.

Factors influencing population growth in the Caribbean compared with EITHER those in India or China or Nigeria:

birth rate

death rate

natural increase

migration

fertility rate

life expectancy

government policies

Urbanisation

Definitions of urbanisation, urban growth and urban sprawl.

Causes of population growth in capital cities and other urban areas; for example,

natural increase

migration (internal, regional and international):

Benefits for example,

labour supply

economic growth

Problems for example

overcrowding

crime

housing

environmental

Attempts to control urbanisation, for example

zoning

decentralisation of services

development of housing schemes

upgrade of rural areas

diversification of agriculture

Migration

Definition of in-migration and out-migration and types of migration (regional and international):

Reasons for in and out migration: push and pull factors (economic, social, and political) with relevant examples of origin of migrants and main destinations of migrants.

Consequences of in and out migration: economic and social impacts.

TERM TWO TOPICS

Internal Structure of the Earth

Crust: Oceanic and Continental Plates

Mantle

Core

Plate Tectonics

Theory

Types of plate boundaries/margins

Distribution of earthquakes, island arcs, volcanoes, fold mountains, major faults and ocean trenches.

Global distribution of plates

Characteristics of:

Intrusive volcanic features: sills, dykes, plugs and batholiths

Extrusive volcanic features: caldera, shield volcano, composite cone, lava plateau

The rock cycle: formation of igneous, sedimentary and metamorphic rocks

TERM THREE TOPICS

Weathering

Definition of weathering: the breakdown or disintegration of rocks "in situ"

Types of weathering, their locations, processes and results:

Physical or mechanical: frost action, exfoliation

Chemical: carbonation, hydrolysis

Biotic or biological

Mass Movement/Mass Wasting

Mass movement: definition, causes and results

Soil Creep

Landslides

Characteristics of limestone

Processes leading to the formation of limestone features

Surface: clints and grykes, surface depressions, cockpits, swallow holes

Underground: caves, stalactites, stalagmites, pillars, underground rivers

Pollution

Identify types of land, air and water pollution

Explain the causes, effects and possible solutions of EACH types of pollution