Zara Challis - Topography and Contours

Contour lines A way of representing height on a map

• 0 is sea level, the ocean is always at sea level

• contour intervals can be any number but the amount

between each must be consistent eg. 50, 100, 150

• the closer together the lines are the steeper the

slope or hill will be. for example if the contour lines

are close together on a hill maybe 2 mm apart the.

that will be a very steep hill

• the highest point of a mountain or hill is marked with

a dot and the height of the peak.

• the higher the number the height the land is

• we use contour lines when finding out a route when hiking and we need to make sure you do not

have to climb a big mountain.

• there are many different types of landforms that contour lines can represent, for example: