Definitions
Molten rock under the Earth's Surface
Magma
What cools to form igneous rocks?
magma or lava
Sedimentary rocks often contain bits of sand, gravel, shells, and sometimes even _____
fossils
These rocks can be crumbly or powdery.
Sedimentary
The breaking down of rock by wind, water, and ice
weathering
Sedimentary rocks are formed by _____
weathering and erosion
granite and basalt (what type of rock?)
igneous
These type of rocks can have wavy bands of different minerals and/or have a sparkly look.
Metamorphic rocks
Taking rock away
erosion
Over time, a piece of igneous granite might weather and erode into what type of rock
sedimentary
If a rock gets buried deep in Earth's crust, or touches hot lava, it will change into a _______ rock
metamorphic
These types of rocks are often formed under rivers, lakes and or oceans.
Sedimentary rocks.
The outside covering of the Earth
crust
These events might bring Igneous rocks to the surface of the crust
Earthquake or Volcanoe
Which rocks form in layers?
SEDIMENTARY
Fast cooling igneous rocks have these size crystals.
Small.
made of one or more minerals locked together naturally
A rock.
If Sedimentary rocks are subjected to intense heat and pressure, they can turn into a _____ rock
metamorphic
Rocks that are formed under heat and pressure are
metamorphic
These type of igneous rocks form underground from slowly cooled magma and have large visible crystals.
Intrusive rocks