🪨 The Rock Cycle
Igneous, sedimentary & metamorphic rocks · How rocks change over time · Grades 4–7
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Igneous
Formed from cooled magma or lava
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Sedimentary
Formed from compressed layers of particles
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Metamorphic
Formed by heat and pressure underground
🔄 The Rock Cycle Process
🌋 Magma cools → Igneous Rock
💨 Weathering & erosion → Small particles called sediment
⬇ Sediment compresses over millions of years → Sedimentary Rock
🔥 Heat & pressure underground → Metamorphic Rock
🌋 Extreme heat melts rock → Magma (cycle starts again!)