Geology Trivia Questions

  • ❓ 135+ questions
  • 🗂️ Earth Science
  • ✨ 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.

Download on the App StoreGet it on Google Play

Already playing?

Sample Geology Questions

Think you know the answers? Play to find out.

  1. The supercontinent that existed about 300 million years ago, containing all of Earth's landmasses joined together.

    • Gondwana
    • Pangaea
    • Laurasia
    • Rodinia
  2. This scale, ranging from 1 to 10, measures a mineral's resistance to scratching, with talc at the bottom and diamond at the top.

    • Richter scale
    • Beaufort scale
    • Mohs hardness scale
    • Mercalli scale
  3. Hot molten rock found beneath Earth's surface, which becomes something else entirely once it erupts from a volcano.

    • Magma
    • Basalt
    • Granite
    • Obsidian
  4. These impressive geological features, found at Carlsbad Caverns and Mammoth Cave, hang from cave ceilings like stone icicles.

    • Stalagmites
    • Stalactites
    • Flowstones
    • Columns
  5. The rigid outer layer of Earth, broken into tectonic plates, includes both the crust and the uppermost part of the mantle.

    • Asthenosphere
    • Mesosphere
    • Inner core
    • Lithosphere
  6. This type of rock forms when existing rocks are transformed by intense heat and pressure without melting, like marble from limestone.

    • Igneous rock
    • Sedimentary rock
    • Metamorphic rock
    • Volcanic rock
  7. Scientists believe this layer at Earth's center is solid despite temperatures exceeding 5,000°C, kept solid by immense pressure.

    • Inner core
    • Outer core
    • Lower mantle
    • Asthenosphere
  8. This black, glass-like volcanic rock forms when lava cools so rapidly that crystals don't have time to form.

    • Pumice
    • Obsidian
    • Basalt
    • Rhyolite

Think You Know Geology?

Play a free round in your browser, learn something new with every answer, and challenge your friends to beat your score.

Or get the app

Download on the App StoreGet it on Google Play