Geology: Rocks & Minerals
1 / 15Dig into the science of rocks, minerals, and the forces that shape our planet
15 quick questionsNo sign-upFree to playTap an answer below to begin ↓
What are the three main types of rocks?
About Geology: Rocks & Minerals
Give your memory a workout with Geology: Rocks & Minerals: 15 multiple-choice questions aimed at mixed difficulty, free to play right in your browser. Dig into the science of rocks, minerals, and the forces that shape our planet Expect to spend about 7 minutes; every question comes with an explanation, so you learn something even when you miss.
A few sample questions
1. What are the three main types of rocks?
Answer: Igneous, sedimentary, and metamorphic
2. What is the hardest naturally occurring mineral on Earth?
Answer: Diamond
3. The Mohs scale measures what property of minerals?
Answer: Hardness
4. What type of rock is formed from cooled lava or magma?
Answer: Igneous
5. What is the most abundant mineral in Earth's crust?
Answer: Feldspar
Frequently asked questions
Will I lose my progress if I close the page?
Your overall progress — XP, streaks, and badges — is saved in your browser automatically. A quiz that's underway restarts if you leave mid-game, but at about 7 minutes, Geology: Rocks & Minerals fits comfortably in one sitting.
How many questions are in Geology: Rocks & Minerals?
Geology: Rocks & Minerals has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Geology: Rocks & Minerals free to play?
Yes. The entire SeniorBrainGames catalog — including Geology: Rocks & Minerals — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Geology: Rocks & Minerals take?
Most players finish Geology: Rocks & Minerals in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
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