Rounded pebbles in a stream suggest they have been…
Melted by rain
Worn by collisions
Stretched by roots
Polished by sunlight
Trivia for Kids 8–14 · Mixed
Rocks Tell Stories
Ten fresh questions for ages 8–14 exploring rocks tell stories. Mixed difficulty with explanations and host verification notes in the import file.
A rock contains visible shell fossils. Which origin fits best?
Pure metal cooling
Deposited sediment
Lightning-struck glass
Fresh molten lava
Granite's interlocking crystals grew as magma…
Cooled slowly underground
Evaporated in air
Froze instantly underwater
Mixed with tree sap
A rock changes under heat and pressure without melting. It becomes…
Fresh sediment
Liquid magma
A meteor automatically
Metamorphic
Why can water freezing in a crack split rock?
Water becomes acidic ice
Cold removes all friction
Freezing water expands
Ice consumes the rock
Which pair describes movement rather than breakdown in place?
Weathering and cracking
Dissolving and splitting
Erosion and transport
Heating and cooling
True or false: Every rock contains just one mineral.
True
False
Layers in an undisturbed sedimentary stack usually place older layers…
Above younger layers
Only in the middle
Below younger layers
Only at the edges
A mineral scratches glass but not quartz. Its hardness is…
Higher than both
Lower than both
Equal to its mass
Between those materials' hardnesses
A lava rock has many holes. They are evidence of…
Escaping gas bubbles
Meteor impacts
Burrowing ocean fish
Dissolved tree roots only