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Published byAbraham Strickland Modified over 9 years ago
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As you look through the following slides please: Write one sentence for EACH slide that covers the Main Idea and Supporting details for that slide
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Topographic map: a map showing the surface features of an area Gives information about Elevation Relief Slope
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To decide where to build new stores, houses, schools or factories To plan bicycle trips or hikes
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The USGS (U.S. Geological Survey) The USGS has made about 57,000 that cover all of the United States except parts of Alaska!
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Mapmakers use symbols to represent features on a map
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Contour Lines: Used to represent elevation, relief, and slope on topographic maps All points with the same elevation are connected with a contour line
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The closer the lines are, the steeper the slope!
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Contour Interval- The difference in elevation between two contour lines that are next to one another.
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Global Positioning System: a method of finding latitude, longitude, and elevation of points on Earth’s surface using satellites
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Click on the link that follows to see topographic maps in action! ://www.youtube.com/watch?v=xgrOaWKyv8w
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