Key term
OCR GCSE Geography A J383
Ecosystems of the Planet
Topic overviewAbiotic and biotic components, and how ecosystems interactThe world’s biomes: where they are and what they are likeWhere the tropical rainforests are, and what they are likeWhere the coral reefs are, and what they are likeRainforest processes and nutrient cyclingTwo threatened ecosystems: a rainforest and a coral reef
Environmental Threats to Our Planet
Topic overviewClimate change through the Quaternary, and since 1000ADThe evidence for climate changeNatural causes of climate change, and the enhanced greenhouse effectThe consequences of climate changeThe world’s climatic regions and global atmospheric circulationHow global circulation produces extreme weatherTropical storms: causes, distribution and frequencyA drought caused by El Niño or La Niña
Fieldwork Skills
Geographical Skills
Topic overviewConstructing maps, and reading cross-sections and transectsCoordinates, scale, distance and reading information from a mapGradient, contours, spot heights and GISChoosing, constructing and presenting graphs and chartsReading and interpreting the main graph and chart typesNumber, area, scale and the relationships between unitsProportion and ratio, and measures of central tendency and spreadPercentages and percentiles, and designing data collection sheetsReading tables, and describing relationships in bivariate dataTrend lines and lines of best fitPredicting from data, and spotting weak statistical presentationDrawing and justifying conclusions from dataInterpreting images and written sources, and recognising biasJudging the limits of maps, graphs, statistics and images
Landscapes of the UK
People of the Planet
Topic overviewDefining and measuring developmentThe global pattern of development: ACs, EDCs and LIDCsWhy development is uneven, and the role of aidA developing or emerging country: its context and economyRostow’s model and the country’s path of developmentCities, megacities and world citiesWhy urban growth rates differ around the worldRapid urbanisation in poorer countries: causes and effectsA major city in a poorer or emerging country
People of the UK
Topic overviewThe UK’s trade, media and cultural links with the worldThe UK’s geographical diversity and its inequalitiesUneven development within the UK, and the effects of economic growthHow the UK’s population structure has changed since 1900Immigration into the UK in the twenty-first centuryUrban trends in the UK and their effectsA major UK city: its people, challenges and ways of life
UK Environmental Challenges
Topic overviewAir masses, the North Atlantic Drift and the UK’s extreme weatherA UK flood event: causes, effects and responsesHow people use, modify and change UK ecosystemsThe UK’s renewable and non-renewable energy sourcesChanging UK energy supply and demand, and sustainable useRenewables in the UK, and the future of fossil fuelsWhat shapes the UK’s energy choices
Geographical Skills
Drawing and justifying conclusions from data
- 3 things to know
- Component 03
Overview
What a conclusion is, how it differs from a result, justifying it with figures, referring back to the question, partial support, anomalies, staying within the data, and why proof is never claimed.
What you need to know
Answer each one before you reveal it.
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Key term
What is the difference between a result and a conclusion?
Key term
Why should a conclusion refer back to the question or hypothesis it started from?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is a conclusion?
Model answer
A statement that answers the original question, based only on what the data actually showed.
- 2
What is the difference between a result and a conclusion?
Model answer
A result is what the figures say, while a conclusion is what those figures mean for the question being asked.
- 3
How is a conclusion justified?
Model answer
By quoting particular figures from the data and explaining how they support the statement being made.
- 4
Why should a conclusion refer back to the question or hypothesis it started from?
Model answer
Otherwise it is only a summary of the data and never says whether the idea being tested was supported.
- 5
What should be written when the data supports an idea only in part?
Model answer
Say which part of the evidence supports it, which part does not, and how far the idea holds overall.
- 6
What should a conclusion say about anomalies?
Model answer
It should mention them, suggest a reason for them where it can, and say whether they change the overall finding.
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