Contour Lines On A Map Ks2. Roads and labels are provided only for helping find your area of interest on this map. The higher the mountain or lower the canyon or lake the more layers will be drawn.
Contour lines mark points of equal elevation on a map and are critical to understand the elevation profile of your terrain. The gradient of the function is always perpendicular. The idea of lines that join points of equal value was rediscovered several times.
Use an OS Map Activity.
Explain that contour lines join together places of equal height and show the shape height or relief of the land. Another way of thinking about contour lines is as a tide mark left by the sea as the tide goes out leaving a line every 5 metres. Learn how to draw contour lines by first plotting elevation points. Contour lines Illuminated contour polygons.
