Antarctica is a proper noun (name) and Antarctic is the adjective form of it, as in: “Antarctic (adjective) penguins live in Antarctica (noun).” Sometimes people use the adjective in place of the noun to shave a syllable off of the statement, as in: “Penguins live in the Antarctic (adjective used as noun). read more
The difference between Antarctic and Antarctica stem from the fact that Antarctica is a continent within Antarctic region. Treating earth as round, the top and bottom of the earth are regarded as the North Pole and the South Pole. read more
Antarctica is the south pole region, and a continent covered with an immense ice shelf. The Arctic region, is mainly located in the north polar ocean and includes several larger islands. read more