Subsistence farming - producing things on farms for family only Commercial farming - producing things on farms to sell Explain why many ppl in LEDCs are subsistence farmers. (3) Lack of land, skills, tech, pesticides Need to feed their families Can't produce enough...
IGCSE
Industry
Define Input Things needed for production to take place Eg capital, land labour, raw materials, machinary Processes Things which are done to convert raw materials to products Eg packaging, assembling components, transporting Output Finished products which are produced...
Tourism
Define tourist. (1) A person who is visiting a place for leisure or holiday Define domestic tourist (1) A person who is visiting a place for holiday from same country Define international tourist (1) A person who is visiting a place for holiday from another country...
Energy
Non-renewable Types Adv Dis Site Fossil fuels (coal, oil & natural gas) Relatively cheap - low running costs Reliable supply of electricity High power output Non-renewable - will run out eventually Fluctuating price - expensive High transport costs Burning of...
Water
Define domestic use of water (1) Use of water at home / for household, personal use Suggest reasons for differences in domestic use of water in MEDCs & LEDCs (4) MEDCs LEDCS Washing machines Greater access to flush toilets at home More water used overall as more...
Environment risks of economic development
Global warming Explain why greenhouse gases are increasing in the atmosphere. (5) Burn fossil fuels & coal - generate electricity, in industry Petrol in transportation / air travel Deforestation - less trees absorb CO2 Cattle grazing - releases methane Explain how...
Climate and natural vegetation
Tropical rainforest What is the temp & rainfall of Equatorial climate (2) High temp all year / low temp range High annual rainfall No seasons Explain why equatorial climates have low temp range. (3) Low temp range: small difference between highest & lowest...
Development
Development - process of a country becoming more advance Indicators of development GNP per capita - total income of a country, including learning from abroad, per head of population Literacy - % of ppl who can read & write Life expectancy - average age of ppl in a...
Weather
Define weather (1) Short term atmospheric conditions, including temp, rainfall & humidity Can vary from day to day / place to place Weather instruments Stevenson Screen Characteristics Contains: Max-min thermometer Wet & dry bulb thermometer Barometer Explain...
Coasts
Features Wave length - distance between top of waves Wave period - no. of waves per min Beach profile - angle of slope of beach Processes of erosion Hydraulic action - force of waves trap & compress air in cracks in rock & wear away loose materials Abrasion -...
River
Hydrological characteristics Drainage basin - area of land where water flows into river Watershed - line which divides one river basin from another Source - start of river Tributary - small river which flows into main river Confluence - where tributary joins main...
Plate tectonics
Plate boundary - where plates meet Tectonic plate - section of earth's crust Earth structure Crust - thin, rocky Mantle - molten rock - upper: lithosphere, lower: asthenosphere Outer core - liquid nickel & iron Inner core - solid nickel & iron Crust - 7 large...
Settlements (rural and urban) and service provision
Rural / urban settlement: residential area where ppl live in countryside/cities Site: area which settlement is built on Situation: area surrounding settlement Factors affect location of settlements Wet point sites- water supply Dry point sites- higher land near river...
Urban settlements
Urbanisation
Central Business District (CBD) Characteristics of land use High rise buildings High density land use High traffic congestion Good transport links High order settlements High land cost Functions - retail, entertainment, financial services, other professional services...
Population structure
Population Pyramid Population structure - how the population can be divided up Young dependent - ppl aged 0-14 Economically active - ppl who work (aged 15-64) Old dependent - ppl aged 64-80+ Describe the shape of the pyramid. (3) Base, top - narrow / wide (Less)...
Population density and distribution
Population density - no of ppl living in km2 What is measured by pop density? How closely together ppl live Factors influence pop distribution Explain how climate influence pop distribution (5) Explain how different physical factors influence pop density (4) Climate...
Population dynamics
Birth rate - no of ppl born per 1000 in a pop per year Death rate - no of ppl died per 1000 in a pop per year Natural population change - difference between birth rate & death rate Overall population change - difference between BR & DR +/- for migration...
Migration
Migration - movement of ppl from one place to another Immigration - ppl enter country to live/work Emigration - ppl leave country to live/work Net migration - immigration - emigration Illegal immigrants - ppl who doesn't have permission to travel into a country...
