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mineral&rocks
science
Question | Answer |
---|---|
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, |