Ocean 115 - Introduction to Oceanography » Spring 2022 » Big Chill Video

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Question #1
What did the record of fossilized beetles tell us about the Earth’s climate over 10,000 years ago?
A.   It cooled rapidly
B.   It cooled slowly over time
C.   It changed rapidly from warm to cold and then back again
D.   It was stable throughout
Question #2
What evidence matched the data from the beetle study?
A.   Fish from England
B.   Wasps from Panama
C.   Deep sea mud deposits
D.   Ice cores from Greenland
Question #3
Why was this evidence more accepted?
A.   It cost a lot more money and was more high tech
B.   It was a scientific study and the beetles were not
C.   It recorded the climate and fossils cannot record the climate
D.   It was done before the beetle study
Question #4
What is the Atlantic conveyor?
A.   It is a warm flow of saltwater that cools and sinks into the deep ocean
B.   It is a warm flow of saltwater that warms and sinks into the deep ocean
C.   It is a cold flow of saltwater that cools and sinks into the deep ocean
D.   It is a warm flow of freshwater that rises from the deep ocean
Question #5
What can cause the conveyor to stop?
A.   An infusion of “deadly freshwater”
B.   A change in the North Atlantic gyre flow
C.   An infusion of saltwater
D.   A change in the wind belts
Question #6
How has this played a role on the Earth’s climate?
A.   It causes the ocean to lose its salt content and become freshwater
B.   It causes the planet to rapidly shift from warm to cold
C.   It causes the planet to gradually go from warm to cold
D.   It causes the planet to gradually shift from cold to warm
E.   It causes the winds to shift directions 180 degrees
Question #7
How was the climate in the late 1500s in eastern North America different from today’s climate?
A.   It was colder
B.   It was drier
C.   It was wetter
D.   It was hotter
Question #8
What is the Little Ice Age?
A.   A period in North America during the 1500s-1700s where temperatures dropped by one degree Celsius
B.   A period in Europe during the 500s-700s where temperatures dropped by one degree Celsius
C.   An event that took place over 10,000 years ago
D.   A period in Europe during the 1500s-1700s where temperatures dropped by one degree Celsius
E.   A period in Europe during the 1500s-1700s where temperatures dropped by five degree Celsius
Question #9
What does Stephan Ramstorf’s model indicate?
A.   That global warming is not real
B.   That global warming can cause the Atlantic Conveyor to collapse and that could trigger another Ice Age
C.   That global warming will end in the next ten years
D.   That global warming will make the planet warmer and warmer into the future
Question #10
Why might Europe be more concerned about changes to the conveyor than the United States?
A.   They have large cities on the Atlantic Ocean and the US does not
B.   They will feel the effects first
C.   They are worried the Mediterranean Sea will evaporate away
D.   They fear the conditions will result in the return of the Soviet Union

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