Presentation on theme: "Standard OS maps Standard OS maps"— Presentation transcript:
1 Standard OS maps Standard OS maps By the end of this section, you will:Know the features of a standard OS map.Understand how relief is shown on an OS map.Be able to use four figure and six figure grid references.
5 How is relief shown on a map? Relief is shown on maps in three main ways:contour linesspot heights193237314030214614201012colour shading.10-20 m21-30 m31-40 m41-50 m
6 ContoursRelief is often shown on OS maps by light brown/orange lines known as contour lines.Contours are lines that join points of equal height.Contour lines usually have a number attached to them. This number indicates the height of the land above sea-level.
7 Labelling landscape features Worksheets: The worksheet Contours accompanies this slide.