Ignorant Igneous
This is molten rock found below the earth's surface.
What is magma?
tiny pieces of rock, sand, shells, etc. is called what
What is sediment?
The four layers of the earth that we discussed are ___
crust, mantle, outer core, inner core
When sediments go under compacting and cementing processes they become___________
What is sedimentary rocks.
This type of rock forms from melted rock (magma or lava).
What is an igneous rock?
This is molten rock found above the earth's surface.
What is lava?
The final 2 processes that turn sediments into sedimentary rocks?
What are compaction and cementation?
The continental crust meets what type of crust underwater less than 100 km from a coast?
ocean crust
When igneous, metamorphic and sedimentary rocks go under weathering and eroding they become_________________
What is sediments?
This type of rock forms from layers of sediment pressed together.
What is a sedimentary rock?
Melted rock that cools quickly results in igneous rocks with what?
Small crystals
Minerals can act like _________, holding the rock together
cement
The thickest layer of the earth is
the mantle
The processes that turn metamorphic rocks into sediments
What are weathering and eroding?
This type of rock forms when heat and pressure change an existing rock.
What is a metamorphic rock?
When magma does this it forms granite with large crystals
Cools slowly
What layer is under Earth's Crust?
The Mantle
_________ and ____________ turn sedimentary rocks into metamorphic rocks.
Heat and pressure
Granite and basalt belong to this rock group.
What are igneous rocks?
Basalt is an igneous rock that is found in which layer of the earth?
ocean crust
What are two things that can be found in sedimentary rocks that scientists can study to learn about the past?
fossils of plants and animals
What process can happen in the mantle that helps the rock cycle happen over and over and over?
Subduction
When metamorphic and igneous rocks go under melting they turn into__________
What is magma?
Limestone and sandstone belong to this rock group.
What are sedimentary rocks?