1
Where would you find the true shape of a continent?
a globe
What ocean does the International Date Line pass through?
Pacific Ocean
It roughly follows the 180 degree meridian.
Type of projection used for commonly for polar projections
gnomic
Where would acoustic sensing be used for mapping?
ocean floor
Cartographers must transfer points from a _____ (the earth) to a ______ (map).
sphere
plane (flat)
What do you call a person who creates maps?
cartographer
60 nautical miles on earth's surface (at the Equator)
one degree
What type of map would help you if you are hiking through a hilly or mountainous region to know the steepness of the slopes?
What are maps called that are used to navigate at sea?
chart
Which map projection has no distortion?
None. They all have some sort of distortion.
north, south, east, and west
What did sailors need in order to accurately determine longitude?
accurate clock
What type of map would show the migratory patterns of the monarch butterfly?
thematic
Which would be small-scale - a map of the U.S. or a map of your neighborhood?
U.S. map
What projection is best for the middle latitudes?
conic
0 degrees latitiude
Equator
Which was does the arrow on most maps point?
north
This is usually the case but not always true.
What kind of data would GIS use to show railroad tracks?
line
Are lines of longitude great circles of half of great circles?
half of great circles
What does GIS stand for?
Geographic Information Systems
highest possible number for longitude
highest possible number for latitude
180 degrees
90 degrees
A ____ projection has its point of contact in the center of North America.
oblique
What are the 3 ways that data can be gathered for GIS?
surveying, radar, and sonar
Does a degree of longitude vary or is it always the same distance?
It varies.
What part of a map expresses the ratio of two numbers that indicate the relative size and detail of the features shown on the map?
scale