underground water bearing layers of porous rock, sand and gravel
subduction
100
23.5 degrees N- the northernmost point on earth to receive direct rays of sun
Tropic of Capricorn
100
Area between the Tropic of Cancer and the Tropic of Capricorn to include the Equator
low latitudes
100
The exact position of a place on the earth's surface.
Absolute Location
100
Area between the Tropic of Cancer and the Arctic Circle in the Northern Hemisphere between the Tropic of Capricorn and the Antarctic Circle in the Southern Hemisphere
Mid Latitudes
200
a place where the ocean tide meets river currents
estuary
200
a continuous layer of leaves across the top of a forest
canopy
200
economic system in which economic decisions about production are made by some central authority
command economy
200
an economic system based on free enterprises, in which businesses are privately owned and production and prices are determined by supply and demand
Market Economy
200
computer tools for processing and organizing details and satellite images with other pieces of information
Geographic Information System
300
A center where cultures developed and from which ideas and traditions spread
cultural hearth
300
the movement of people from one place to another
migration
300
the 0 degree north and south line that runs through Greenwich, England
Prime Meridian
300
Location in relation to space
relative location
400
The line circling the earth midway between the North and South Poles
Equator
400
The science of map making
cartography
400
A condition in the earth's atmosphere in one place during a short period of time
Weather
400
What layer of the earth is about 4,000 miles below the earth's surface?
Inner core
400
What is the deepest place on earth?
Mariana Trench
500
One of the most earthquake prone areas on the planet?
ring of fire
500
the highest mountain in North America?
Mount McKinley
500
The oldest Mountain chain in North America?
Appalachian Mountains
500
One of Canada's most important rivers flows over 750 miles and borders the US and Canada