Wednesday, January 2, 2008

The Earth - Answers

Answers to the Earth quiz on January 16:
  • Name one of the largest rivers in the world. Obvious choices are the Nile, the Amazon, and the Mississippi; the Yangtze River is another. The Yellow River and the Congo are also good answers.
  • Name one of the largest lakes in the U.S. The Great Lakes (Superior, Huron, Michigan, Ontario, and Erie), or the Great Salt Lake.
  • What is a delta? The region where a river meets an ocean or sea, generally triangular in shape and named for the Greek letter delta, Δ.
  • Name three seas. Mediterranean, Caribbean, Yellow, Red, Black, Dead, Adriatic, and Caspian are the most obvious answers.
  • Name the five oceans. Atlantic, Pacific, Arctic, and Indian are the traditional four; lately the Southern or Antarctic ocean has been added to the list as a separate body of water.
  • What is an archipelago? A chain or cluster of islands, such as Tahiti or Hawai'i.
  • What is the deepest point on the globe? The Mariana (or Marianas) Trench, near Japan.
  • Draw an isthmus and a peninsula. An isthmus is a skinny stretch of land between two larger masses, like Panama; a peninsula is a relatively narrow piece of land that sticks out into the ocean, like Florida or Korea.
  • Name the continents. North America, South America, Europe, Asia, Australia, Africa, Antarctica.
  • Name the continent that is not a continental plate. Europe; it is part of the Eurasian plate.
  • Name the continental plate that is not a continent. The Pacific plate, under the Pacific Ocean. This is the plate that is being jammed between the North American plate and the Asian plate, causing the ring of fire with its earthquakes and volcanoes.
  • Name three ways that tectonic plates connect with others. Converge, diverge, or slip past each other.
  • Name the parts of the interior of the earth. Inner core, outer core, mantle, (upper mantle,) crust.

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