the three groups of rock are sedimentary, metamorphic, and..
limestone
igneous
coal
The rock cycle shows how rocks continually...
change over time
increase in size
are more complex
Which kind of rock forms when molten rock cools?
metamorphic
sedimentary
An existing rock can change into another type of rock when it is subjected to great...
pressure
winds
foliation
What kind of rock forms by recrystallization?
Geologists classify an igneous rock on the basis of its crystal size and the
Rock salt is an example of sedimentary rock that develops from dissolved minerals as
magma cools
water evaporates
sediments break down
A rock does not necessarily have a particular composition or internal structure.
Most rocks at Earth's bottom are sedimentary, but the crust as a whole is made almost entirely of igneous and metamorphic.
intrusive igneous rock forms from..
magma
water evaporating
graphite
extrusive igneous rock forms from
magma cooling
lava cooling
Sedimentary rock forms from...
parent rocks
pieces of earlier rock
shells or dissolved minerals
Sedimentary rock forms from
ancient plant remains
minerals dissolving
nonfoliated metamorphic rock forms from..
earlier rocks of animal remains
parent rock that has one main type of mineral
foliated metamorphic rock forms from
minerals within the ocean
minerals within rocks