Earth Science Quantitative Challenge

Earth Science

A rigorous examination of numerical data, historical milestones, and scientific constants in the field of Earth Science.

geology meteorology oceanography seismology

10 Questions Hard Ages 16+ Aug 18, 2026

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About this Study Set

This study set covers Earth Science through 10 practice questions. A rigorous examination of numerical data, historical milestones, and scientific constants in the field of Earth Science. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 10 questions from the Earth Science Quantitative Challenge study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 On what date did the largest recorded earthquake in history, the Valdivia earthquake, occur in Chile?

A May 22, 1960
B March 27, 1964
C December 26, 2004
D August 15, 1950

2 What is the approximate depth of the Mohorovičić discontinuity beneath the continental crust?

A 5-10 km
B 30-50 km
C 100-150 km
D 200-250 km

3 Who proposed the theory of continental drift in his 1915 book 'The Origin of Continents and Oceans'?

A Harry Hess
B Beno Gutenberg
C Alfred Wegener
D Charles Richter

4 The Saffir-Simpson Hurricane Wind Scale is divided into how many categories?

5 What is the value of the solar constant, representing the average amount of solar energy reaching the top of Earth's atmosphere?

A 1,361 W/m²
B 1,050 W/m²
C 980 W/m²
D 1,500 W/m²

6 In which year did the eruption of Mount Tambora, the most powerful volcanic eruption in recorded history, occur?

A 1783
B 1815
C 1883
D 1902

7 The Earth's inner core has a radius of approximately how many kilometers?

A 637 km
B 1,220 km
C 2,440 km
D 3,480 km

8 How many official Earth 'spheres' (e.g., atmosphere, lithosphere) are commonly categorized in traditional physical geography?

9 The Keeling Curve, which tracks atmospheric carbon dioxide levels, began continuous measurements in which year?

A 1948
B 1958
C 1968
D 1978

10 What is the approximate percentage of Earth's total water volume that is contained in the oceans?

A 92.5%
B 95.0%
C 96.5%
D 98.0%

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