What type of map shows the surface feature of an area?
Topographic maps use symbols to portray the land as if you were looking down from above.
Topographic maps provide highly accurate information on ________________________ of the ground surface.
What do mapmakers use to represent elevation, relief and slope on topographic maps?
A contour line connects points of different elevation
What is the change in elevation from contour line to contour line called?
The contour interval for a given map is always the same
Usually every ________________contour line is known as the __________________contour and is darker and heavier than others.
Index contours are labeled with ____________________________________ in round units, such as 2000 feet __________________________.
above sea level
below sea level
To read a topographic map, you must familiarize yourself with the map's scale and symbols and interpret the map's contour lines.
A large scale map is one that shows a far-away view of the Earth's surface.
Topographic maps are usually large scale maps.
Most topographic maps in the US are at a scale of _______________________, where 1 cm equals _________________________.
1:100, 100 miles
1:18,000, 18 feet
1:24,000, 0.24 km (kilometers)
On a 1:24,000 map, what can be shown?
the number of ducks in a pond
large buildings, airports and highways are outlines at the correct scale
Symbols are used to show houses and other small features.
details of elevation and features such as river and coastlines
On a topographic map, closely spaced contour lines indicate gentle slopes.
A contour line that forms a closed loop with no other contour lines inside indicates a :
alien landing site
A closed loop with dashes indicates a:
______________- shaped contour lines pointing down hill indicate a ridge line.
Wide spaced contour lines indicate gentle slopes.
V-shaped contour lines pointing uphill indicate a valley.
Topographic maps have many uses in in:
Chuck E. Cheeses