Questions & Answers
Browse all 15 questions from the
Pioneers and Milestones in Geology study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Who is widely considered the 'Father of Modern Geology' for his work establishing the concept of deep time?
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A
James Hutton
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B
Charles Darwin
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C
Isaac Newton
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D
Alfred Wegener
2
Which scientist is credited with first proposing the theory of continental drift in 1912?
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A
Harry Hess
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B
Alfred Wegener
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C
Arthur Holmes
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D
Beno Gutenberg
3
What is the name of the scale created by Friedrich Mohs in 1812 to measure the hardness of minerals?
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A
Richter Scale
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B
Mercalli Scale
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C
Mohs Scale
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D
Fujita Scale
4
Which 17th-century scientist is known as the 'Father of Stratigraphy' for formulating the laws of superposition?
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A
Nicolaus Steno
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B
William Smith
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C
Georges Cuvier
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D
Charles Lyell
5
Who published 'Principles of Geology' in the 1830s, which popularized the theory of uniformitarianism?
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A
Louis Agassiz
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B
Charles Lyell
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C
John Wesley Powell
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D
James Hall
6
William Smith created the first ever what in 1815, revolutionizing how we understand rock layers?
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A
Seismograph
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B
Geological map
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C
Topographic globe
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D
Rock classification system
7
In 1935, which scientist developed the magnitude scale used to measure the strength of earthquakes?
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A
Charles Richter
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B
Hiroo Kanamori
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C
Giuseppe Mercalli
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D
Thomas Jaggar
8
Which female scientist is credited with discovering the Earth's solid inner core in 1936?
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A
Marie Tharp
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B
Inge Lehmann
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C
Florence Bascom
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D
Mary Anning
9
Mary Anning, a famous early 19th-century collector, is best known for her pioneering discoveries of what?
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A
Gold deposits
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B
Marine reptile fossils
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C
Volcanic vents
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D
Magnetic poles
10
The first person to prove that fossils were the remains of ancient living organisms was which scientist?
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A
Robert Hooke
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B
James Hutton
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C
George Lyell
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D
Carl Linnaeus
11
What was the first mineral to be officially named and classified using the Mohs hardness scale?
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A
Diamond
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B
Talc
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C
Quartz
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D
Calcite
12
Which oceanographer produced the first comprehensive map of the ocean floor in the 1950s?
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A
Marie Tharp
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B
Sylvia Earle
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C
Robert Ballard
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D
Jacques Cousteau
13
What concept, proposed by Harry Hess in the 1960s, helped explain the movement of continents?
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A
Seafloor spreading
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B
Glacial erosion
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C
Radioactive decay
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D
Crustal melting
14
Which explorer led the first geological survey of the Grand Canyon in 1869?
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A
John Wesley Powell
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B
Ferdinand Hayden
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C
Clarence King
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D
George Wheeler
15
Who first observed that the Earth's crust is divided into large moving plates, leading to plate tectonics?
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A
John Tuzo Wilson
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B
Walter Alvarez
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C
Luis Alvarez
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D
Dan McKenzie
