AQA · Geography · 8035
GCSE Geography: Graphical skills
Geographical skills · AQA GCSE Geography (8035), specification point 3.4.2. Cards are generated from the exam board's own specification for "Graphical skills", and every card links back to the page it came from. Specification © AQA — used with attribution.
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What does a choropleth map use to show data?
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Areas shaded in different colours or densities to show the value of a variable for each area (e.g. population density by region).
What is an isoline on a map?
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A line joining points of equal value (e.g. a contour joins points of equal height).
On a map, a ? is an isoline joining points of equal height above sea level.
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contour
What do closely spaced contour lines indicate about gradient?
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A steep gradient — height changes quickly over a short horizontal distance.
What does a desire line map show?
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Straight lines drawn from an origin to a destination showing movement (e.g. where shoppers travel from), with line thickness proportional to the number moving.
How does a flow-line map represent the volume of movement?
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By the width of the line — thicker lines mean a greater volume of flow along the actual route.
What does a proportional symbol map show?
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Symbols (often circles) placed on locations, sized in proportion to the value of the data there.
What does a population pyramid show?
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The age and sex structure of a population — horizontal bars for each age group, males on one side and females on the other.
Which type of graph is used to show a relationship between two variables?
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A scattergraph (scatter graph), often with a best-fit line to show correlation.
In GCSE Geography, histograms are constructed with ? class intervals.
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equal
What does a dispersion graph show?
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The spread (range and clustering) of individual values in a data set, plotted as points along a vertical scale.
What does a divided bar chart show?
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A single bar split into segments, each proportional to a category's share of the total.
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