Maps and Globes
What three things do relief maps show?
mountains, plains, and plateaus
What are the two types of topography?
natural and man-made
Plateaus are fairly _____ surfaces but stand high above sea level.
level
Add the result, 30, to 1400.
pg. 27
What are the two names of the chart that explains the meaning of each symbol used on a map?
map legend and map key
What three things do contour lines show on a topographic map?
elevation, slope, and relief
The Mercator projection shows Earth as if the map were a large _____ wrapped around a planet.
cylinder
On the other hand, a globe represents Earth as if you were looking at it from outer space.
What is the problem with projections?
They distort the earth's surface.
True or False: Contour intervals are always 10ft.
False: Contour intervals are always the same on a map, but they don't have to be 10ft.
In reality, South America is about _____ times larger than Greenland.
eight
To show the topography of an area, mapmakers draw a topographic map.
pg. 24
Which line, latitude or longitude, shows whether an object is located in the northern or southern hemisphere?
latitude line
The highest elevation point is 25,000 ft. The lowest point is 12,000 ft. What is the relief?
13,000 ft
A _____ is one half of a sphere.
hemisphere
(the map of Southern Florida)
17
Which projection shows the shortest distance between two points?
planar projection
Name all four rules of contour lines.
1. Lines never cross.
2. Circles show highest and lowest points.
3. Contour interval is always the same on a map.
4. Index contour lines mark elevations.
The numbers on the contour lines show the elevations of different points in the _____ _____ area.
Mount Hood
The Mercator, conic, and planar projections are all attempts to solve the problem of representing a curved surface on a flat map.
pg. 22