Matching Pairs Topographic Maps Matching 8.9COnline version Students will match maps with their profiles by COURTNEY HICKS 1 Beaches are eroded by... 2 Steep slope 3 4 Gentle slope 5 Contour Interval 6 7 Canyon is formed by 8 9 Delta formed by 10 11 12 How do you find a difference in elevation between 2 points? river weathering and eroding the sides of the canyon to make it wider and deeper. Waves from the ocean and wind taking sand and moving it to a new location Deposition at end of a river Contour lines are close together and elevation changes quickly, harder hike Contour lines are far apart making for an easier and flatter hike Distance between lines (always a set number) Subtract elevation at each point