LVL5
Naturalistic Intelligence
One of the challenges in this activity is to understand what is meant by contours . Contours on a map are lines that show areas of the same height. Even with this information it can be difficult for the students to imagine the terrain by simply looking at a map and mentally processing the numbers. In this situation, the students can learn a lot by generating a profile of the ocean floor using the “cross section” method.
If you want to do this first you need to draw a set of axes. Let the x axis represent horizontal distance and the y axis vertical elevation. The scale used for the axes must be the same as that used on the map, that is, 1 centimetre represents 10 kilometres on the horizontal. For the vertical scale, make 1 centimetre represent 1 000 metres.
Ocean floor contours, axes only:
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