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reese

science

QuestionAnswer
mineral natural, solid, pure, solid substance
lustre how shiny or dull a mineral is
colour what colour a mineral is
streak when scratched on a ceramic tile, what mark the mineral needs
hardness a measure of how hard a mineral is, measured on the Mohs scale
cleavage how minerals break along flat sides; clean, straight breaks
fracture how minerals break in irregular, unexpected ways
rock a mix of two or more minerals
igneous rock rock formed from the melting and cooling of other rock
lava molten rock on the earths surface
extrusive rock igneous rock formed on the earths surface
Sediment Broken down rock, turned into silt, sand, clay,etc.
Compaction a method of sedimentary rock formation, where layers of rock are pressed into new rock.
cementation when different sizes of sediment become held together to form new rock.
sedimentary rock rock that is formed from the pressing together of particles of smaller rocks ( sediment)
metamorphic rock rock formed from turning parent rock into new type with heat and pressure.
parent rock the rock that turns into a new rock when exposed to the heat and pressure.
rock cycle the never-ending cycle of rock types being turned into other rock types.
Popular Earth Science sets

 

 



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