In 1968, the drilling ship Glomar Challenger correct answersexplored the sea bottom and
obtained the first evidence of sea floor spreading
Density stratification occurred in Earth's history when correct answersheavy material sank to the
center of Earth and lighter materials migrated toward the surface
Captain James Cook correct answersis considered the first true marine scientist
Which statement best describes "science"? correct answersa systematic process of asking
questions about the observable world by gathering and then studying information (data)
Satellite oceanography is an important frontier in new discoveries. The AQUA, one of three of
NASA's new generation satellites, was set out in 2002 to correct answersCollect information
about earth's water cycle
In 1925, the German Meteor expedition correct answersintroduced modern optical and electronic
equipment to oceanographic investigation
The Polynesians correct answerscolonized 10,000 islands scattered across the Pacific Ocean,
including Easter Island and Hawai'i
Which U.S. agency is responsible for oceanographic research related to national defense? correct
answersNaval Oceanic and Atmospheric Research Laboratory
Marine science (or oceanography) is best defined as the correct answersscientific study of the
ocean, its associated life-forms, and its bordering lands
The universe's observable mass consists mostly of hydrogen atoms. The heavy elements we see
around us today were correct answersConstructed in supernovas
Systematic study of the ocean began at the correct answersLibrary of Alexandria in Egypt,
founded in the third century B.C.E.
The ocean may be defined as correct answersvast body of saline water that occupies the
depressions of Earth's surface
How did earth's early ocean form correct answersthrough rain that fell from clouds formed by
vapors outgassed from volcanic venting, and remained liquid once Earth's surface had cooled
sufficiently
Eratosthenes was the Greek astronomer, philosopher, and poet of Cyrene who correct
answersFirst calculated the circumference of the earth