Even though we all live on Earth, so few know everything about it. Our 7,926-mile planet houses lush ecosystems of plant and animal life, its own atmosphere, and layers deep beneath the surface. It accommodates oceans and rock formations over four billion years old, all while revolving around the sun. Can you take on this Earth Day trivia quiz?
Here you’ll find Earth trivia questions and answers across topics like geography, oceanography, biology, and more. You’ll need expertise as vast as the planet to beat this quiz, spanning from the core to the atmosphere’s edge. If you think you’re up to the challenge, shake off the crust and ready yourself for a feat of planetary proportions.
Want to be more well-rounded like the Earth? Why not try more nature trivia quizzes to broaden your horizons? Try our plant trivia quiz and weather quiz to get a full taste of the seasons. After that, take a breather with some space trivia.
Rainforests are critical in the sustainability of Earth due to their supply of what?
Plants
Drinking And Fresh Water
Soil
Insects
What is the imaginary line that runs around the Earth halfway between the poles?
Axis
Equator
Line Of Middle
Pole
Whose calculation of the size of the Earth’s diameter was almost exact?
Eratosthenes
Aristarchus
Aristotle
Socrates
What’s the name for the weight of air pushing down on Earth’s surface?
Barometer
Humidity
Gravity
Air Pressure
What is the reason for the Earth’s seasons?
Migration
Earth’s Tilted Axis
Earth’s Trajectory
The Ozone Layer
What layer of the Earth’s atmosphere contains the ozone layer?
Troposphere
Thermosphere
Ionosphere
Stratosphere
What theory proposes that Earth’s land masses were once connected and drifted apart?
Continental Drift Theory
Connected Drift Theory
Earthquake Theory
Continental Air Theory
The Chifley Cave was the first cave in the world to do what?
Lit By Electric Lights
To Be Used In a Movie
To Find Human Remains
To Allow Tourists
What percentage of the Earth’s water is drinkable?
5%
10%
1%
7%
What forms when water condenses in the Earth’s atmosphere?
Rainbows
Slides
Clouds
Puddles
A scar on the Earth’s surface caused by the impact of a cosmic body is called?
A Crater
A Hoodoo
A Caldera
An Astrobleme
A scientist that studies the Earth’s surface is called what?
Geographer
Oceanographer
Scientologist
Medium
Who published the book “The Theory of the Earth” in 1795?
Georges Cuvier
William Smith
James Hutton
Charles Lyell
What is the term for the Earth’s crust where it underlies oceans?
Rock Bed
Oceanic Crust
Drainage Basin
Sea Wall
What is another name for the portion of Earth that sustains life?
Atmosphere
Biology
Bioluminescence
Biosphere
Which star is the closest to the Earth?
Alpha Centauri
Sol
Beta Taursi
Proxima Centauri
What is steam drawn deep from within the Earth?
Geyser
Fission
Photon
Geothermal Steam
Which earthquake energy wave causes the most damage?
L
P
C
S
What is the only known cave on Earth deeper than 2,000 meters?
Mammoth Cave
Crystal Cave
Krubera Cave
Sarma Cave
How long does it take sunlight to reach the Earth?
24 Hours
8 Minutes
68.5 Minutes
60 Seconds
John Glenn was the first American to orbit the Earth. How long was the flight?
Five Hours
Eight Hours
Twelve Hours
Sixteen Hours
The Earth’s grasslands are categorized into how many different climate types?
Four
Three
Two
Five
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