# Term Definition
1 Latitude Run horizontally on the map. Parallel and equal
distant from each other. (think of horizontal
rungs of a ladder)
2 Longitude Vertical lines on a map. AKA meridians. Converge
at the poles. Widest at the equator.
3 Absolute Location Provides a definite reference to locate a place
(latitude & longitude; street address).
4 Prime Meridian 0° longitude, 0° longitude, passing through
Greenwich, England.
5 International Date Line The line where the date changes. 180° meridian
of longitude. To the east of is 1 day earlier than
to the west of.
6 Five themes of geography Location Place Human-Environment Interaction
Movement (human) Region
7 Formal region Regions divided by official boundaries (cities,
states, counties, countries).
8 Functional Region Regions defined by their connections (i.e.
circulation area of a local newspaper).
9 Vernacular Region Perceived regions such as the south or the
middle east. No formal boundaries.
10 Relative Location A point or place in relation to another point or
place
11 Physical System Natural features and phenomena on the Earth
from a spatial perspective.
12 Weather System ...
13 Ecosystem A system where populations of species group
together into communities and interact with each
other and the abiotic environment.