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How Rocks Form

Crust Is the outer areas of land.
Rock Is a solid material made up of one or more minerals.
Mineral Is a solid material found in Earth's crust that has a definite chemical makeup.
Mantle Is a thick layer of rock between the crust and the core.
Core Is a dense ball with a liquid outer part and a solid inner part.
Igneous Rock Is rock that forms when melted, or molten, rock that forms when melted, or molten, rock from Earth's mantle cools and hardens.
Sedimentary Rock Is rock that forms when sand, particles of rock, bits of soil, and remains of once-living things harden.
Sediment Breaking rock into sediment is called weathering.
Metamorphic Rock Is new rock that forms when existing rocks are changes by heat, pressure, or chemicals beneath Earth's surface.
Rock Cycle Scientist call the continuous series of changes that rocks go through the rock cycle.
Created by: gdrake