MINERALS & ROCKS: rock cycle processes, igneous formation, sedimentary layers, metamorphic transformation, geochemical changes reading comprehension passages. What if every rock you pick up is just a snapshot in a long recycling journey inside Earth? Students explore how minerals form and re-form as igneous, sedimentary, and metamorphic rocks through heating, cooling, weathering, and pressure. They connect mineral properties and geochemical reactions to the rock cycle, seeing how these hidden p