About this Study Set
This study set covers Earth Science through
15 practice questions.
A challenging collection of Earth science questions focusing on precise dates, numerical values, and historical milestones. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 15 questions from the
Advanced Earth Science Data study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
On what specific date did the 9.5-magnitude Valdivia earthquake, the strongest ever recorded, occur in Chile?
-
A
May 22, 1960
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B
March 27, 1964
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C
December 26, 2004
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D
August 15, 1950
2
What is the approximate depth of the Challenger Deep in the Mariana Trench as measured by the 2010 multibeam sonar survey?
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A
9,840 meters
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B
10,994 meters
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C
11,230 meters
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D
10,540 meters
3
Which scientist published the seminal paper 'The Origin of Continents and Oceans' in 1915, proposing the theory of continental drift?
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A
Harry Hess
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B
Arthur Holmes
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C
Alfred Wegener
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D
Beno Gutenberg
4
In 1958, Charles David Keeling began continuous measurements of atmospheric carbon dioxide at which specific location?
-
A
Mauna Loa Observatory
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B
South Pole Station
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C
Summit Camp, Greenland
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D
Cape Grim, Tasmania
5
The Mohorovičić discontinuity, or 'Moho', typically resides at an average depth of how many kilometers beneath the ocean floor?
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A
5-10 km
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B
15-20 km
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C
30-35 km
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D
50-60 km
6
The eruption of Mount Tambora in 1815, which led to the 'Year Without a Summer', registered what value on the Volcanic Explosivity Index (VEI)?
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A
VEI 5
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B
VEI 6
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C
VEI 7
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D
VEI 8
7
Approximately what percentage of the Earth's total volume is accounted for by the Earth's mantle?
8
In 1935, Charles Richter developed the Richter magnitude scale, originally calibrated using what specific type of seismometer?
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A
Wood-Anderson
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B
Lehmann
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C
Press-Ewing
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D
Streckeisen
9
What is the exact atmospheric pressure at sea level in standard pascals (Pa)?
-
A
101,325 Pa
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B
98,066 Pa
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C
100,000 Pa
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D
103,300 Pa
10
The 1989 Montreal Protocol was signed to regulate the production of substances responsible for ozone depletion. In what year was the protocol opened for signature?
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A
1985
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B
1987
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C
1989
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D
1991
11
How many primary tectonic plates are generally recognized in the modern plate tectonic model?
12
The Carrington Event, the most intense geomagnetic storm on record, peaked in intensity on what date?
-
A
September 1, 1859
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B
October 12, 1862
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C
August 28, 1855
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D
November 5, 1860
13
What is the approximate speed of sound in the Earth's inner core in kilometers per second?
-
A
5.2 km/s
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B
8.5 km/s
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C
11.2 km/s
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D
14.5 km/s
14
Which mineral has a hardness of exactly 7 on the Mohs scale of mineral hardness?
-
A
Orthoclase
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B
Quartz
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C
Topaz
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D
Corundum
15
The 'Great Oxidation Event', which fundamentally changed the Earth's atmosphere, began approximately how many billion years ago?
-
A
1.2 billion
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B
2.4 billion
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C
3.5 billion
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D
4.0 billion
