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GCSE Geography · key term
A line on a map joining points of equal height above sea level.
Used by AQA, Edexcel and OCR
Paper 1, Paper 2, Paper 3
Revise: Coordinates, Scale and Distance in OS MapsA contour line joins points at the same height above sea level, allowing you to trace the shape of the surrounding land rather than just read one height.
Specification 1.2, 1.14 · Paper 1
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A line on a map joining points of equal height above mean sea level.
Paper 2
A line on a map joining places at the same height above sea level.
Revise: River Characteristics and ProfilesAn OS map shows relief using contour lines: each line joins places at the same height above sea level. The contour interval is the height difference between neighbouring contour levels. Check the map’s stated interval rather than assuming one.
Specification 9.1 · Paper 1, Paper 2, Paper 3