Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Features 1
100
This is molten rock found above the earth's surface.
lava
100
Name the first step in sedimentary rock formation
weathering
100
Define "metamorphic rocks"
A type of rock that forms from an existing rock that is changed by heat and pressure.
100
This term describes holes or gaps that can be found in some sedimentary rocks
pores
200
What is the name of the orange liquid
magma
200
Thermal expansion, frost wedging and abrasion are examples of _______ weathering
physical
200
What do the dotted lines in the image represent?
Contact metamorphism
200
Type of rocks that are easily weathered
sedimentary rocks
300
Describe "extrusive rocks"
Igneous rocks that form above ground
300
Describe "erosion"
the carrying away of sediments, usually by wind, water, or gravity
300
The image on the right shows pressure and ____
alignment
300
This term describes an igneoud that is dark and heavy
Mafic
400
Types of igneous rocks formed by the slow cooling of magma
Intrusive rocks
400
Name, in order, the last three steps of sedimentary rock formation
deposition, compaction, cementation
400
Name the four steps of metamorphic rock formation, in order
heat and pressure, alignment, recrystallisation
400
The image depicts which feature of metamorphic rocks?
folding
500
Describe the conditions required for igneous rocks to have microscopic or no crystals
Fast cooling (usually on Earth's surface)
500
The sedimentary rock formed from the coming together of other smaller rocks
Conglomerate
500
What is the name for "the original rock from which a metamorphic rock formed" (from Quizlet)
protolith
500
Name the type of rock: smooth, layered, difficult to scratch with a fingernail, no crystals
Which
metamorphic rock (accept slate)