1.2 Understanding Scale, Contour and Map Reading
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19 Terms
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Compass
An instrument for determining direction, typically using a magnetic needle that points to magnetic north.
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Cardinal Points
The four principal directions on a compass: North, South, East, and West.
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Magnetic North
The direction that a compass needle points, which is towards the earth's magnetic north pole.
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Scale
A ratio or representation that shows the relationship between distance on a map and the actual distance on the ground.
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Symbols
Graphic representations used on maps to convey information about various features and landmarks.
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Grid References
A system of coordinates used to specify locations on a map, typically using a combination of vertical and horizontal lines.
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Contour Lines
Lines on a map that connect points of equal elevation, providing a representation of the terrain's shape.
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Ordnance Survey
A national mapping agency in the UK that provides detailed maps and geographic data.
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Projections
Methods used to represent the curved surface of the Earth on a flat map.
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Topographic Map
A map that uses contour lines and symbols to show both the physical landscape and human-made structures.
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Elevation
The height above sea level of a geographical point.
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Relief
The variation in elevation and terrain in a specific area, often depicted with contour lines.
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Map Key (Legend)
A section of a map that explains the symbols and colors used, allowing for interpretation of the map.
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Direction or Orientation
The relative position of features on a map, often indicated by a compass rose.
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Campsite
A designated area for setting up tents and camping, often marked on maps.
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Distance Calculation
The process of determining the real-world distance represented on a map scale.
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Map Reading
The skill of interpreting maps to understand geographic locations and features.
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Mercator Projection
A map projection that represents the Earth’s surface in a cylindrical format, useful for navigation.
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Contour Interval
The vertical distance between successive contour lines on a map.
Note 
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