Geography - Continents, Oceans, Imaginary Lines
Equator
An imaginary circle around the middle of the earth, halfway between the North Pole and the South Pole
Australia
the smallest continent; the "island" continent
Arctic Circle
66.5 degrees north latitude
Antarctic Circle
66.5 degrees south latitude
Western Hemisphere
The hemisphere west of the Prime Meridian, that contains the Americas.
Prime Meridian
The meridian, designated at 0° longitude, which passes through the Royal Observatory at Greenwich, England.
Southern Ocean
This ocean, often not labeled on maps, surrounds Antarctica and extends northward toward Australia
South America
a continent that is mostly in the Southern Hemisphere. It is bordered by the Atlantic and Pacific Oceans.
Antarctica
an extremely cold continent at the south pole almost entirely below the Antarctic Circle
Europe
continent north of Africa and west of Asia
Pacific Ocean
largest and deepest ocean, west of the United States
Arctic Ocean
smallest and coldest ocean, in the north part of the world
North America
the continent that contains the United States, Canada, and Central America
Asia
the largest continent in the world
Atlantic Ocean
the ocean east of the United States, between the Americas and Europe/Africa
Indian Ocean
the ocean south of Asia, between Africa and Australia
North and South Poles
the points farthest north and south on the Earth along its axis
Africa
the second largest continent, south of Europe and Asia