Introduction to Planet Earth

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The first humans from Western Hemisphere known to have developed the art of navigation were the: A: Greeks. B: Phoenicians. C: Vikings. D: Polynesians. E: New Zealanders.

B: Phoenicians

The average depth of the world's oceans is approximately: A: 840 meters (2,756 feet). B: 11,022 meters (36,161 feet). C: 3,682 meters (12,080 feet). D: 2,172 meters (7,126 feet). E: none of the above.

C: 3,682 meters (12,080 feet).

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Please identify the word and/or phrase that does NOT fit the pattern. Enter only the letter of the answer (caps, no period, and not the full entry) in the field below. A. observation B. hypothesis C. belief D. theory E. testing

C: Belief

The European "Age of Discovery" began with: A: Phoenician exploration of the Mediterranean. B: Polynesian colonization of Pacific Islands. C: Christopher Columbus's discovery of the "New World." D: Ferdinand Magellan's circumnavigation of the globe. E: Viking voyages to North America.

C: Christopher Columbus's discovery of the "New World."

Most of the explorations by northern and western Europeans during the Middle (Dark) Ages were undertaken by: A: Italy. B: Portugal. C: Vikings of Scandinavia. D: Spain. E: France.

C: Vikings of Scandinavia

All the following are characteristics of seas except : A: seas are composed of salt water. B: seas are smaller and shallower. C: seas are usually somewhat enclosed by land. D: seas are directly connected to the world ocean. E: all of the above are correct.

E: All of the above are correct

The first person we are aware of who determined the circumference of the Earth using trigonometry and the angle of sunlight at Alexandria, Egypt, was: A: Pytheas. B: Ptolemy. C: Seneca. D: Herodotus. E: Eratosthenes.

E: Erathosthenes

The four principal ocean basins (plus an additional ocean) on Earth are the: A: Atlantic, Pacific, Indian, Southern, and Arctic Oceans. B: Antarctic, Arctic, Indian, Pacific, and Southern Oceans. C: Atlantic, Antarctic, Southern, Mediterranean, and Pacific Oceans. D: Atlantic, Arctic, Mediterranean, Southern, and Pacific Oceans. E: Antarctic, Caspian, Southern, Indian, and Pacific Oceans.

A: Atlantic, Pacific, Indian, Southern, and Arctic Oceans.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Please identify the word and/or phrase that does NOT fit the pattern. A. Mediterranean B. Arctic C. Atlantic D. Indian E. Pacific

A: Mediterranean

A tentative, testable statement about the general nature of a phenomenon is called a/an: A: hypothesis. B: guess. C: law. D: theory. E: observation.

A: hypothesis.

The largest of the ocean basins, which currently covers more than half of the ocean surface, is the: A: Arctic Ocean. B: Indian Ocean. C: Southern Ocean. D: Pacific Ocean. E: Atlantic Ocean.

D: Pacific Ocean.

Plate tectonics and evolution, which are held with a high degree of confidence because of rigorous testing and verification, are examples of: A: hypotheses. B: guesses. C: observations. D: theories. E: laws.

D: theories.


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