🔬 Science · Volcanoes & Earthquakes
The Rock Cycle
Understand the rock cycle: rocks slowly change from one type to another over millions of years — igneous rock weathers into sediment, sediment becomes sedimentary rock, heat and pressure create metamorphic rock, and melting starts the cycle again
Typical age: 9–11 years
“If your child saw igneous rock, sandstone, and marble side by side, could they explain how each type forms and how rocks slowly transform from one type to another in a never-ending cycle?”
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