Rock Types Quiz
1 / 15This soft, white sedimentary rock is actually a form of limestone made from the shells of tiny marine organisms called coccoliths. The White Cliffs of Dover are made of it. What rock is this?
About Rock Types Quiz
Identify rock types and geological formations This free memory games activity is built for older adults who want clear, readable browser-based games without sign-up friction.
Memory games support focus, short-term recall, and pattern recognition with visual and logic-based challenges. This quiz includes 15 questions, so it works well as a quick session or as part of a longer brain-training routine. A printable version is available if you prefer offline play or want to share the game at home, in a classroom, or in a group setting.
About Rock Types Quiz
Rock Types Quiz is a free memory games quiz with 15 multiple-choice questions aimed at mixed difficulty. Identify rock types and geological formations A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. This hard, coarse-grained igneous rock is made of quartz, feldspar, and mica. It is commonly used for kitchen countertops and building facades. What rock is this?
Answer: Granite
2. This metamorphic rock was once limestone but was transformed by heat and pressure into a smooth, often white stone prized by sculptors like Michelangelo. What rock is this?
Answer: Marble
3. This dark, fine-grained igneous rock forms from rapidly cooled lava and makes up most of the ocean floor. The Giant's Causeway in Ireland is made of columns of this rock. What rock is this?
Answer: Basalt
Frequently asked questions
How many questions are in Rock Types Quiz?
Rock Types Quiz 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 Rock Types Quiz free to play?
Yes. The entire SeniorBrainGames catalog — including Rock Types Quiz — 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 Rock Types Quiz take?
Most players finish Rock Types Quiz 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.
What's a good follow-up after Rock Types Quiz?
If you enjoyed this memory games quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
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