Earth Science Trivia
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Sample Earth Science Quiz Questions
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
This scale, ranging from 1 to 10, measures a mineral's resistance to scratching, with talc at the bottom and diamond at the top.
Difficulty: Easy- Richter scale
- Beaufort scale
- Mohs hardness scale
- Mercalli scale
This precipitation falls as small ice pellets that bounce when hitting the ground, forming when raindrops freeze completely while falling.
Difficulty: Medium- Freezing rain
- Graupel
- Sleet
- Hail
This complete set of equations governing large-scale ocean circulation includes momentum, continuity, and tracer conservation equations.
Difficulty: Hard- Primitive equations
- Navier-Stokes equations
- Shallow water equations
- Boussinesq equations
This instrument records ground motion during earthquakes and was invented in 1880 by John Milne in Japan.
Difficulty: Easy- Seismograph
- Barometer
- Accelerometer
- Magnetometer
This type of volcanic deposit forms when hot pyroclastic material welds together upon landing, creating a distinctive rock.
Difficulty: Medium- Tuff
- Ignimbrite
- Agglomerate
- Breccia
The supercontinent that existed about 300 million years ago, containing all of Earth's landmasses joined together.
Difficulty: Medium- Gondwana
- Pangaea
- Laurasia
- Rodinia
This atmospheric scientist developed the theoretical framework treating tropical cyclones as heat engines, explaining their intensity limits.
Difficulty: Hard- William Gray
- Kerry Emanuel
- Herbert Riehl
- Joanne Simpson
This is the largest ocean on Earth, covering more area than all the land combined.
Difficulty: Easy- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Arctic Ocean
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