Earth Quiz

Try out this Earth quiz to test your knowledge. Earth trivia explores the science, history, and oddities of the only known world to support life, from its 4.5-billion-year past to the dynamic systems that shape it today.

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15 questions

~3 min to finish

Easy to hard difficulty

520 pts max score

Question 1 · Medium · 20 pts
Who helped map the seafloor and reveal the Mid-Atlantic Ridge?
Question 2 · Hard · 40 pts
The global glaciation episodes nicknamed 'Snowball Earth' are associated with which period?
Question 3 · Hard · 40 pts
The Permian-Triassic mass extinction is dated to approximately what time?
Question 4 · Hard · 40 pts
At roughly what date did the Cretaceous-Paleogene extinction occur?
Question 5 · Hard · 40 pts
Which historical figure is often called a founder of modern geology?
Question 6 · Hard · 40 pts
Which geology classic was written by Charles Lyell?
Question 7 · Hard · 40 pts
Name the discontinuity that marks the boundary between Earth's crust and mantle.?
Question 8 · Hard · 40 pts
Which named boundary separates Earth's mantle from its outer core?
Question 9 · Hard · 40 pts
Which discontinuity is associated with the boundary of Earth's inner core?
Question 10 · Hard · 40 pts
If Earth’s outer core could fill out a state-of-matter survey, what box would it check?
Question 11 · Hard · 40 pts
What process in Earth's outer core generates the planet's magnetic field?
Question 12 · Hard · 40 pts
About how thick is continental crust on average?
Question 13 · Hard · 40 pts
Mainly what kind of composition does oceanic crust have?
Question 14 · Easy · 10 pts
Which planet is the third planet from the Sun?
Question 15 · Easy · 10 pts
What is Earth's only natural satellite?

Who helped map the seafloor and reveal the Mid-Atlantic Ridge?

The global glaciation episodes nicknamed 'Snowball Earth' are associated with which period?

The Permian-Triassic mass extinction is dated to approximately what time?

At roughly what date did the Cretaceous-Paleogene extinction occur?

Which historical figure is often called a founder of modern geology?

Which geology classic was written by Charles Lyell?

Name the discontinuity that marks the boundary between Earth's crust and mantle.?

Which named boundary separates Earth's mantle from its outer core?

Which discontinuity is associated with the boundary of Earth's inner core?

If Earth’s outer core could fill out a state-of-matter survey, what box would it check?

What process in Earth's outer core generates the planet's magnetic field?

About how thick is continental crust on average?

Mainly what kind of composition does oceanic crust have?

Which planet is the third planet from the Sun?

What is Earth's only natural satellite?