Grades 3–5 · Science
This quiz helps revise “Rocks, minerals and fossils” in Science for grades 3–5. It has 25 questions in five categories: Three Rock Types, The Rock Cycle, Crystals & Minerals, How Fossils Form, Layers of Time. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
Which rock family gets its name from the Latin word for fire, because its rocks form from cooled magma or lava?
Which common sedimentary rock, famous for forming colourful desert arches and canyon cliffs, is made of compressed sand grains?
Name this dark, shiny…
In the gameWhich metamorphic rock, formed…
In the gameCooling slowly deep underground…
In the gameWhat term describes the endless natural process of rocks changing from one type into another over millions of years?
What process breaks solid boulders down into smaller gravel, sand and dust through rain, wind and freezing ice?
What do geologists call…
In the gameWhen a rushing river…
In the gameIn the formation of…
In the gameRanked at number 10 on the Mohs hardness scale, which precious gemstone is the hardest natural mineral on Earth?
Name this shiny brass-coloured mineral, nicknamed 'fool's gold' because prospectors mistook its crystals for real gold.
In science class, what…
In the gameRanked at number 1…
In the gameWhich mineral, found in…
In the gameWhich hard parts of a prehistoric animal, such as its skull and ribs, are most likely to turn into fossils?
Trapping ancient insects in sticky tree sap, what golden, hardened gemstone preserves prehistoric bugs in amazing detail?
Dinosaur footprints, tooth marks…
In the gameOver millions of years…
In the gameWhat is the scientific…
In the gameWhat kind of scientist digs up, cleans and studies fossils to learn about prehistoric life on Earth?
Finding fossilised seashells near the top of high mountain ranges proves that those rock layers were once located where?
Name this extinct sea…
In the gameWhich English fossil hunter…
In the gameName these ancient sea…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.