Rock Solid🧠 Trivia · Science & Nature
Rock Solid
Minerals, magma, and plate tectonics for trivia players with rock-hard knowledge.
Family friendly
Medium
80 questions
Sneak peek
- Which mineral is a 1 on the Mohs hardness scale? Fluorite · Talc · Calcite · Gypsum Medium
- Which mineral is a 7 on the Mohs hardness scale? Quartz · Orthoclase feldspar · Corundum · Topaz Hard
- Rubies and sapphires are gem varieties of which mineral? Beryl · Spinel · Quartz · Corundum Hard
- Emerald and aquamarine are varieties of which mineral? Quartz · Beryl · Corundum · Tourmaline Hard
Answers stay hidden — no spoilers for your crew.
Difficulty mix
How to play
- Listen to the host read the question.
- Tap (or type) your answer before time runs out — no take-backs!
- Right answers score points; faster answers score bonus points when speed bonus is on.
- Team vote: huddle on your phones, majority rules, captain breaks ties.
