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 Contour Interval 4 How do you find a difference in elevation between 2 points? 5 Delta formed by 6 7 Gentle slope 8 Canyon is formed by 9 10 11 12 Deposition at end of a river Contour lines are close together and elevation changes quickly, harder hike river weathering and eroding the sides of the canyon to make it wider and deeper. Distance between lines (always a set number) Contour lines are far apart making for an easier and flatter hike Waves from the ocean and wind taking sand and moving it to a new location Subtract elevation at each point