Key term
Edexcel GCSE Geography A 1GA0
Changing Cities
Topic overviewGlobal urbanisation trends and ratesThe UK’s urban population and why urbanisation varies by regionThe chosen UK city: site, situation, connectivity and structureUrbanisation, suburbanisation and migration in the chosen UK cityPopulation change and deindustrialisation in the chosen UK cityInequality and changes in retailing in the chosen UK cityMaking the chosen UK city more sustainableThe chosen developing or emerging city: site, situation and structurePopulation growth and migration in the chosen developing or emerging cityInequality and quality of life in the chosen developing or emerging cityRapid urbanisation: challenges, and bottom-up and top-down responsesGovernment policy and quality of life in the chosen city
Coastal Landscapes and ProcessesLandscape option
Ecosystems, Biodiversity and Management
Topic overviewThe world’s large-scale ecosystems and what controls their distributionThe biosphere as a resource, and its commercial exploitationUK terrestrial and marine ecosystemsTropical rainforest characteristics and the nutrient cycleRainforest biodiversity and plant and animal adaptationsRainforest goods and services, and the causes of deforestationSustainable management of a named rainforestDeciduous woodland characteristics and the nutrient cycleWoodland biodiversity and plant and animal adaptationsWoodland goods and services, and the causes of deforestationSustainable management of a named deciduous woodland
Energy Resource ManagementResource option
Geographical Investigations – Fieldwork
Topic overviewRiver fieldwork: enquiry questions, methods and secondary dataCoastal fieldwork: enquiry questions, methods and secondary dataUrban fieldwork: enquiry questions and methodsUrban fieldwork: secondary data sourcesRural fieldwork: enquiry questions and methodsRural fieldwork: secondary data sourcesThe enquiry process: asking questions and choosing methodsThe enquiry process: presenting, analysing and concludingThe enquiry process: evaluating fieldwork
Geographical Investigations − UK Challenges
Geographical Skills
Topic overviewAtlas and map skills: distributions, patterns and sketch mapsDescribing the site, situation and shape of settlementsInterpreting diagrams, sketches and photographsUsing online census sourcesHypotheses, sampling and risk assessmentCollecting, recording and presenting dataWriting about findings and building an argument
Glaciated Upland Landscapes and ProcessesLandscape option
Topic overviewGlacial processes and the processes at work on relict landscapes todayPast climate and present UK weather in glaciated uplandsGlacial landforms of erosion and depositionCrag and tail, and drumlinsHuman activity and development in glaciated uplandsA named distinctive glaciated upland landscape in the UK
Global Development
Topic overviewDefining and measuring developmentThe global pattern of development and why it is unevenThe consequences of uneven development for quality of lifeStrategies to reduce uneven development: aid, top-down and bottom-upThe chosen country: location, context and internal unevennessEconomic change, trade, aid and investment in the chosen countryPopulation and social change in the chosen countryGeopolitics and technology in the chosen countryThe impacts of rapid development and how they are managed
Mathematics and Statistics Skills
Topic overviewCartographic skills: contours, transects, scale and distanceUsing GIS and geo-spatial dataChoosing, constructing and interpreting graphs and chartsNumerical skills: number, scale, proportion and ratioDrawing conclusions from numerical dataStatistical skills: averages, spread, percentages and correlationSpotting weaknesses in how data is presented
Resource Management
River Landscapes and ProcessesLandscape option
The Changing Landscapes of the UK
Water Resource ManagementResource option
Topic overviewThe global distribution of fresh water, and water surplus and deficitChanging water supply and demandHow water use differs between countriesWater supply problems in the UK and in developing countriesStakeholder attitudes to water, and desalinationSustainable management of water resources
Weather Hazards and Climate Change
Topic overviewGlobal atmospheric circulation and the transfer of heatNatural climate change and the evidence for itThe enhanced greenhouse effect and the effects of climate changeThe climate of the UK and how it variesHow tropical cyclones form, and where they occurWhy tropical cyclones are hazardous, and their impactsResponses to tropical cyclonesThe causes of drought and why some places are more vulnerableThe impacts of drought and responses to it
Mathematics and Statistics Skills
Cartographic skills: contours, transects, scale and distance
- 3 things to know
- All three papers
Overview
Contour lines, spot heights and the lines on weather and sea-floor charts, working out gradient, cross sections and transects, four- and six-figure grid references, converting map distance to the ground, and recognising physical and human features and settlement functions on 1:25 000 and 1:50 000 OS maps.
What you need to know
Answer each one before you reveal it.
Your recallNot started
Key term
How is the gradient of a slope worked out from two points on a map?
Key term
A footpath climbs 30 m over a horizontal distance of 600 m. What is its gradient?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What do all the points along a single contour line have in common?
Model answer
They are all the same height above sea level.
- 2
What is a spot height?
Model answer
A single dot with a number beside it giving the exact height of that one point above sea level.
- 3
On a weather chart and on a chart of the sea floor, what do the joining lines each represent?
Model answer
On a weather chart they link places of equal air pressure, and on a chart of the sea floor they link points of equal water depth.
- 4
How is the gradient of a slope worked out from two points on a map?
Model answer
Divide the difference in height between them by the horizontal distance between them, then express the answer as one in so many.
- 5
A footpath climbs 30 m over a horizontal distance of 600 m. What is its gradient?
Model answer
One in twenty, because 30 ÷ 600 = 0.05, or one metre of climb for every twenty metres walked.
- 6
What does a cross section of a landscape show?
Model answer
A side-on slice through the ground along a chosen line, showing how the height rises and falls from one end to the other.
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