Sunday, September 10, 2006

QUIZ - 2

Quizzing is about plumbing the depths of ocean

Ten questions about oceans

1) Name the deepest spot on earth located at 11034 m in the Pacific Ocean

2) The International Hydrographic Organization delimited and defined a new ocean in 2000. Name this fifth ocean.

3) Name the Spanish explorer who discovered the Pacific Ocean

4) There are three main processes that make the oceans circulate: tidal forces, wind stress, and density differences. What is the name given to the circulation driven by density differences?

5) The waters of the ocean are divided into three zones. While the top two zones can be penetrated by sunlight, it does not reach the deepest zone. What is the name of this zone that it not penetrated by sunlight ?

6) Two important oceanic currents, one cold and the other warm meet at Grand Banks near Newfoundland, creating heavy fog and also one of the richest fishing grounds in the world. The warm current is the Gulf Stream. Name the cold current.

7) What is the name given to the deposits of dead shells occurring uniformly on the ocean floors of the world?

8) Who invented the Bathysphere, a spherical deep-diving chamber in which persons are lowered by a cable to study the oceans and deep-sea life?

9) With a maximum depth of 8,047 meters, which is the deepest trench of the Indian Ocean?

10) What are lines on a map joining points of equal underwater depth called?

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