longitude/latitude
degrees of this show how far north or south of the equator a place is
What is latitude?
Earth rotates in this direction
What is west to east?
objects that orbit Earth and collect information
What are satellites?
the number of continents
What is 7?
thsi line of longitude goes through Greenwich England
What is the Prime Merdian?
Degrees of this show you how far east or west of the Prime Meridian a place is
What is longitude?
the number of time zones on Earth
What is 24?
a type of satellite that maps Earth
What is Landstat?
the combination of Europe and Asia
What is Eurasia?
while traveling west across each time zone in the US , time is effected in this way
What is each zone going west is an hour earlier than the previous one?
any place north of the equator is in this part of the world
What is the Northern Hemisphere?
the 180 degree longitude line at which the date changes
What is the International Date Line?
a radio navigation system that uses 24 satellites to determine position
What is GPS?
the smallest continent
What is Australia?
the part of the GPS system that someone on Earth uses
What is the receiver?
a degree is divided into 60 of these
What are minutes?
When it is 9:00am in San Francisco , it is this time in NYC , New York
What is noon?
the use of sound waves to map the ocean floor
What is SONAR?
the continent that is almost completely covered with ice
What is Antarctica?
the two continents that the equator runs through
What are South America & Africa?
the latitude of the South Pole
What is 90 degrees S latitude?
the width in degrees of each of the time zones
What is 15?
computers use satellite data to produce these pictures of Earth that are not true- to - life colors
What are false color images?
two continents connected by the Isthmus of Panama
What is North & South America?
the difference in a region's elevation
What is relief?