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