Earth's Structure and Materials Flashcards
(14 cards)
Which is older, continental crust or oceanic crust?
Continental crust
Which is more thick, continental crust or oceanic crust?
Continental crust
Which is more dense, continental crust or oceanic crust?
Oceanic crust
How does magma become an igneous rock?
Cooling
How do igneous rocks become metamorphic rocks?
Heat/pressure
How do sedimentary rocks become metamorphic rocks?
Heat/pressure
How do igneous rocks become sedimentary rocks?
Lithification
How do metamorphic rocks become sedimentary rocks?
Lithification
How do metamorphic rocks become magma?
Subduction
How do sedimentary rocks become magma?
Subduction
What is limestone?
A sedimentary rock used for construction
What is marble?
A metamorphic rock used for sculptures and construction
What is diorite?
An igneous rock used for construction
What is the difference between lava and magma?
Magma is underground, lava is on the surface
