Rock Study Guide
What kind of rock forms when molten rock cools & hardens?
What kind of rock forms when broken down pieces of rock settle to the bottom of water & get pressed and cemented together?
What kind of rock forms when existing rock is changed deep inside earth by extreme heat & pressure?
What does molten mean?
molten rock beneath the surface
molten rock that pours onto the surface
How does lava cool?
How does magma cool?
large cools slowly?
What size crystals form when magma
What size crystals form when lava cools quickly?
What word describes the texture of a rock that formed when lava cools immediately with no visible grains?
intrusive & extrusive
2 types of igneous rocks
igneous rocks that form from lava
igneous rocks that form from magma
clastic, chemical, & organic
3 types of sedimentary rock
kind of sedimentary rocks that form where remains of organisms are deposited in thick layers
kind of sedimentary rocks formed from broken pieces of rock fragments that are squeezed together
small, broken down solid particles of material from rocks or organisms which have been moved by water, wind, or ice
process that breaks rock down into smaller pieces
process that moves fragments of rock by water, wind, or ice
a series of processes on Earth’s surface & interior that slowly changes one kind of rock into another
by how they form
How are rocks grouped or classified?
what the word metamorphic means
“formed by fire”
what the word igneous means
what the word sedimentary means
foliated & nonfoliated
2 types of metamorphic rock
layers in metamorphic rock
What does foliated mean?
the continuous changing of rock from one type to another
What does the rock cycle explain?
What type of rocks involve cementation & compaction in their formation?
What type of rocks involve melting, cooling, & solidifying in their formation?
What type of rocks involve weathering, erosion, & deposition in their formation?
marble, gneiss, & slate
3 examples of metamorphic rocks
granite, basalt, & obsidian
3 examples of igneous rocks
sandstone, limestone, & coal
3 examples of sedimentary rocks
What are rocks always doing?
minerals & other materials
What are rocks made of?
Where do metamorphic rocks form?
What kind of rock forms from the cooling of magma below the surface or lava at the surface?
because we use them for so many things
Why are rocks an important resource to society?
Which type of rock forms in layers?
the heat of the mantle deep underground
Where does the heat come from that changes a rock into a metamorphic rock?
the process that presses together layers of sediment
True or false? Any type of rock can change into any other type of rock.
What kind of rock forms from material that settles on the ocean floor?
the process that glues particles into sedimentary rock
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