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Rocks & Minerals
6th Grade Unit 3 Vocabulary
Term | Definition |
---|---|
Mineral | A naturally occurring solid with a characteristic crystal shape |
Rock | A naturally formed combination of minerals. |
Lava | Molten (melted) rock above ground. |
Igneous Rock | Rock formed from magma or lava. |
Sedimentary Rock | Rock formed from compressed sediment. |
Metamorphic Rock | Rock formed from existing rock by heat and pressure |
Magma | Molten (melted)rock within Earth. |
Strata | Layers of sedimentary rock. |
Rock Cycle | The continuous process of change in which new rocks are formed from old rock. |
Earth Layers | Crust, Mantle and Core |