Earth's Layers
This layer is made up of solid metal (iron and nickel).
The Inner Core.
______ boundaries are where plates rub against each other.
Transform.
____ rocks are formed when lava or magma cools and solidifies.
Igneous rock.
How do geologists classify rocks.
How they were made.
The process of extreme pressure creates which type of rock?
(Igneous, Sedimentary, or Metamorphic)
Metamorphic rock.
This layer is the outermost layer.
The Crust.
Volcanoes can be found at these 2 plate boundaries.
Convergent AND Divergent.
(Give yourself +100 for each answer you got right)
____ rocks are formed from existing rock that has changed.
Metamorphic rock.
_____ occurs when compacted sediments stick together and turn into rock.
Cementation.
An early process of sedimentary rocks are when...
Rocks are weathered into sediments.
This layer is made up of liquid metal (iron and nickel).
The Outer Core.
_____ boundaries are where plates separate, or go away from each other.
Divergent.
___rocks form in areas where tiny sediments get deposited.
Sedimentary rock.
Why are bands of horizontal layers evident in sedimentary rocks?
Sediments are deposited over time.
What process occurs to change sedimentary rock into igneous rock?
Sediments are melted.
This layer is made up of hot, liquid magma.
The Mantle.
Earthquakes are caused by this plate boundary type.
Transform.
True or False: Sedimentary and Igneous rocks can turn into Metamorphic Rock.
True.
_______ occurs when sediments are pressed together by air, water, and gravity.
Compaction.
Sedimentary and igneous rocks turn into metamorphic rocks by _____ and _____.
Heat and pressure.
This layer is responsible for earth's magnetic field.
The Outer Core.
_____ boundaries are where plates collide, or crash into each other.
Convergent.
True or False: Metamorphic rock can turn into a different kind of Metamorphic rock.
True.
____ occurs when magma or lava are heated up and then cool, forming igneous rocks.
Crystalization and solidification.
What do the formation of metamorphic and igneous rocks have in common?
Heating.