Types of Rock Flashcards
Give three words to describe igneous rock?
Hard, shiny, resistant
What is igneous rock?
Volcanic rock.
Give three words to describe the appearance of sedimentary rocks?
Rough, colourful, layered
What is sedimentary rock made from?
Made from sediment and fossils
What is the difference between intrusive and extrusive igneous rocks?
Intrusive cools underground while extrusive cools above Earth’s surface.
How are sedimentary rocks formed?
Sedimentary rocks are formed when sediments of rock and dirt accumulate over time.
How are igneous rocks formed?
Igneous rocks are formed when magma cools above or below Earth’s surface.
How are metamorphic rocks formed?
Metamorphic rocks are formed when other rocks are exposed to extreme amounts of heat or pressure.
Name three types of igneous rock.
andesite basalt dacite dolerite gabbro diorite peridotite nepheline obsidian scoria tuff volcanic bomb
Name three types of metamorphic rock.
eclogite gneiss hornfels marble migmatite phyllite quartzite serpentinite slat amphibolite schist Diamond and other gems
Name three types of sedimentary rock.
argillite breccia chalk chert claystone coal conglomerate dolomite limestone gypsum greywacke mudstone shale siltstone turbidite