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mineral&rocks

science

QuestionAnswer
What is an IGNEOUS rock? molten rock(magma or lava) that forms to a hard rock
what is a METMORPHIC rocks? Formed from other rocks when they are squeezed and changed by heat and pressure underground in the earth.
What is a SEDAMENTARY Rock? A rock wears down by weathering peices carried away by wind, rain ... to a body of water it's dropped into that body and sinks (deposited) in layers underwater and pressed together (compaction) and then cemented together as a rock.
What is the differences between rocks? How they are formed
what do all rocks have in common? minerals
examples of igneous rocks basalt,obsidion,rhyalite,
obsidion looks like black glass, igneous
examples of sedimentary rocks coal,rocksalt,shale,limestome,sandstone, conglomerate
examples of metamorphic quartzite,marble,shcist,gneiss,slate,
Created by: maddie&lizzie12
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