Stuff About Rocks
Rocks provide materials to make other...
rocks
Igneous rocks form when this cools.
magma and/or lava
Sedimentary rocks are changed to sediment by
weathering and erosion
A rock that comes into contact with this can turn into metamorphic rock.
magma
What is the type of scientist who analyzes the composition of rocks?
geologist
The crystals that form in slowly cooled magma produce mineral grains that are...
large
minerals
The deeper a rock is beneath Earth's crust, the higher this will be.
pressure
Each type of rock can form...
other rocks
Igneous rocks that form slowly beneath Earth's surface are called...
intrusive
Organic sedimentary rocks are formed from the remains of
once-living organisms
These factors allow a rock to fold or bend without melting.
temperature and pressure
The rock cycle shows how....
extrusive
Sedimentary rocks are formed through the processes of
compaction or cementation
This is a tectonic process that forces rocks up from beneath Earth's surface.
uplift
Each type of rock can be changed by...
forces at Earth's surface such as weathering, deposition, and erosion.
Igneous rocks are made up of interlocking grains of different
minerals
The sedimentary rock, limestone, can change into marble through the process of
metamorphosis
Metamorphic rocks that show layers of dark mineral alternating with layers of light minerals are classified as
foliated