Archives

Introduction to Geomorphology

Introduction This clip is a good starting point The internal structure of the Earth The internal structure of the Earth Classification of rocks: igneous, sedimentary and metamorphic and the rock cycle The formation of rocks in details, including an explanation on weathering The rock Cycle Intrusive igneous activity and associated features: batholiths, laccoliths, monoliths, dykes,… Read More »

Category:

Plate tectonics

Plate tectonics is a theory explaining the structure of the earth’s crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle. An introductory video. (Plate Tectonics starts 1 minute in to the video) SOURCE: http://geology.com/pangea.htm Changes in the position of continents over time. Evidence for… Read More »

Category:

Folding and Faulting

Introduction The process of rock folding – link to plate movement. Landforms associated with folding.  The process of faulting – link to plate movement. Different types of faults. Landforms associated with faulting, such as rift valleys and block mountains. Rift Valleys Block Mountains

Category:

Earthquakes

  1. How and where earthquakes occur. 2. The relationship between earthquakes and tectonic forces. 3. Measuring and predicting earthquakes. 4. How earthquakes and tsunamis affect people and settlements – differences in vulnerability. Earthquakes in the First World: Earthquakes in the Third World (Beware – graphic!): Tsunamis: A very large ocean wave that is caused… Read More »

Category:

Volcanoes

  1. Types of volcanoes: extrusive, intrusive, active, dormant and extinct. 2. Structure of volcanoes. 3. Impact of volcanoes on people and the environment: positive and negative. Geothermal Energy in Iceland:  4. Case studies of different volcanic eruptions. Eyjafjallajokull Case Study  

Category:

Population distribution and density

Meaning of population distribution and population density. World population density and distribution. Factors that affect distribution and density of the world’s population. 

Category:

Population structure

Here are some useful demographic links https://countrymeters.info/en/Asia https://www.worldometers.info/demographics/demographics-of-africa/ https://worldpopulationreview.com/continents/north-america-population https://www.cia.gov/the-world-factbook/ 1. Population indicators: birth rates, death rates, life expectancy, fertility rate and natural increase. Life Expectancy   2. Factors that influence population indicators. Tip: LEDC – Less Economically Developed Country, and MEDC – More Economically Developed Country. 3. Population structure: age and sex, represented as population pyramids.  

Category:

Population Growth

1. World population growth over time. 7 Billion: How Did We Get So Big So Fast?   2. Demographic transition model. 3. Concept of overpopulation. Overpopulation: A growing problem: The effects of overpopulation Innovations in Africa: 4. Managing population growth. Managing population growth starts with slide 7: A great website A Case study – China’s… Read More »

Category:

Population movements

If you are looking to stretch yourself or your students then this is a great read. Get it here 1. Kinds of population movement: international migration, emigration, immigration. 2. Regional migration, rural-urban migration, urbanisation, voluntary and forced migration. International movements (Aircraft)  Pro and Cons of Immigration. 3. Causes and effects of population movements. Causes:-… Read More »

Category:

HIV and AIDS

1. HIV infection rates in southern Africa SOURCE:  http://www.usaid.gov/our_work/global_health/aids/Countries/africa/hiv_summary_africa.pdf SOURCE: http://www.avert.org/south-africa-hiv-aids-statistics.htm A Global HIV report:  http://www.unaids.org/documents/20101123_FS_SSA_em_en.pdf 2. Social and economic effects of HIV and AIDS, using specific examples from the southern African region. 3. The impact of HIV and AIDS on population structure. The images below are from  http://www.uneca.org/chga/doc/impact_family.pdf  which is an excellent source of relevant information for this section. Well worth… Read More »

Category: