In this example the contour interval is 10 m and the map scale is 1: The length of the line running from Point A to Point B is 2 cm.

In this example the contour interval is 10 m and the map scale is 1:5000. The length of the line running from Point A to Point B is 2 cm. 

Answer the following questions on the attached answer worksheet.

a) What is the change in elevation in meters between Points A and B?

b) What is the horizontal distance between Points A and B in kilometers?

c) The stream gradient is the change in elevation divided by the horizontal distance. What is the stream gradient in m/km?