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JCCC EVRN 124 Exam One Questions and Answers
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JCCC EVRN 124 Exam One Questions and Answers
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JCCC EVRN 124 Exam One Questionsand Answers
About ____% of Earth's water is found in the ocean. - Answer-97
The world ocean ____. - Answer-Dramatically influences weather, nurtures life, and
provides crucial natural resources
The field of marine science involves ____. - Answer-The scientific study of the ocean,
its associated life-forms, and its bordering lands
Scientists believe that answers to questions are ____. - Answer-Ultimately knowable
What comprises the most abundant form of matter in the universe? - Answer-Hydrogen
and helium
The death of a star is characterized by a massive release of energy called a ____. -
Answer-Supernova
What process allows the sun to generate light and heat? - Answer-Nuclear fusion
What are the abundant elements that make up the composition of Earth's present-day
atmosphere? - Answer-Nitrogen and oxygen
Earth's inner core is primarily made of ____. - Answer-Iron
Volcanic venting of substances including water vapor is called ____. - Answer-
Outgassing
During its initial formation by the accretion of particles, the young Earth was ____. -
Answer-Likely chemically homogenous throughout
A(n) ____ is a graphic representation that depicts information about the ocean and
ocean features. - Answer-Chart
Who was the first person to estimate the size of the Earth within approximately 8% of its
true size based on the geometric observations of travelers? - Answer-Eratosthenes of
Cyrene
What did the Polynesians use to navigate between the islands in the Pacific Ocean? -
Answer-Subtle directional clues based off of wind and wave patterns, the sun, moon,
and stars, and marine organisms
, The word "oceanography" was first coined in association with ____. - Answer-The
Challenger expedition
Who is considered to be the father of physical oceanography? - Answer-Matthew Maury
Which individual was the first to provide a rough chart of an ocean current, specifically,
the Gulf Stream? - Answer-Tim Folger
What was one accomplishment of Captain James Cook? - Answer-He mapped the
coasts of Australia and New Zealand.
The Challenger expedition (1872-1876) was a unique and historic voyage. Why? -
Answer-It is the longest continuous scientific oceanographic expedition on record.
What did the German Meteor expedition discover during their 1925 crisscross across
the South Atlantic for 2 years? - Answer-A varied and often extremely rugged bottom
profile
Glomar Challenger is known mainly for ____. - Answer-Taking the first complete cores
of seafloor sediments
Modern oceanography began with the efforts of ____, who trapped his ship in pack ice
to explore the Arctic. - Answer-Nansen
What type of information about the ocean are satellites most likely to provide to
scientists? - Answer-Sea floor bathymetry
The average land elevation on Earth is greater than the average depth of the ocean. -
Answer-False
The materials that formed the Earth and the ocean were formed within stars billions of
years ago. - Answer-True
Scientific hypotheses are never revised or updated. - Answer-False
Nuclear fusion is the changing of hydrogen and helium into heavier elements of carbon,
oxygen, silicon, and iron in stars. - Answer-True
The ancestors of invertebrates produced enough oxygen to oxidize minerals dissolved
in the ocean and surface sediments through a process called respiration. - Answer-
False
The Library of Alexandria was an important gathering place for intellectuals and a
warehouse for written knowledge relating to trade, natural wonders, artistic
achievements, and other items of interest to seafarers. - Answer-True
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