Geology Trivia Questions
- ❓ 135+ questions
- 🗂️ Earth Science
- 🎚️ Easy to expert
- ✨ Free to play
Study of Earth's structure and history. Play Geology trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
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Sample Geology 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
The supercontinent that existed about 300 million years ago, containing all of Earth's landmasses joined together.
Difficulty: Medium- Gondwana
- Pangaea
- Laurasia
- Rodinia
This mineral phase change in the lowermost mantle, discovered in 2004, transforms bridgmanite into a new structure that may explain the D" seismic layer.
Difficulty: Hard- Post-perovskite transition
- Perovskite transition
- Ringwoodite transition
- Bridgmanite transition
Hot molten rock found beneath Earth's surface, which becomes something else entirely once it erupts from a volcano.
Difficulty: Easy- Magma
- Basalt
- Granite
- Obsidian
The semi-fluid layer of the upper mantle, upon which tectonic plates float and move, lies directly beneath the rigid outer shell.
Difficulty: Medium- Asthenosphere
- Mesosphere
- Lithosphere
- Thermosphere
The chemical classification scheme dividing igneous rocks based on silica content and alkali elements, creating categories like tholeiitic and calc-alkaline series.
Difficulty: Hard- Streckeisen classification
- Total alkali-silica diagram
- CIPW normative classification
- Harker diagram
These impressive geological features, found at Carlsbad Caverns and Mammoth Cave, hang from cave ceilings like stone icicles.
Difficulty: Easy- Stalagmites
- Stalactites
- Flowstones
- Columns
This fine-grained sediment, transported by wind from glacial deposits, forms extremely fertile agricultural soils in regions like China and the American Midwest.
Difficulty: Medium- Loess
- Till
- Alluvium
- Colluvium
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