Earth's Crust & Mantel
Earth's Outermost Layer
The Crust
The layer beneath the mantle
The core
What word describes how light reflects from a mineral's surface
Luster
Geologist classify rocks into how many different categories?
3
The process of slowly changing of one rock type to another is called what?
The rock cycle
What are the two types of crust?
Continental and oceanic
How many layers does the core have?
2
When thinking about a burger, what aspects are minerals considered?
Bun, patty, lettuce, tomato, ketchup, mustard, onion, relish, mayo
How do igneous rocks form?
cooled magma/lava
Where does the rock cycle occur?
Earth's surface, crust, and mantel (igneous)
The layer underneath the crust
The Mantle
What is the outer core made of?
Liquid iron and nickel
Do all minerals have the same color AND streak color?
Ex: If the mineral is purple then it's streak is purple.
No
This type of rock forms when small particles of rock or the remains of plants and animals are pressed and cemented together?
sedimentary rock
Do rocks ever come out of the rock cycle?
No
What heat transfer phenomenon happens in the mantle causing Earth's plates (crust) to move?
Convection Currents
What is the inner core made of?
Solid iron and nickel
Are minerals created through organic processes or inorganic processes?
Inorganic
This type of rock forms when another type of rock changes due to chemical reaction or heat and pressure.
Metamorphic rock
What source of energy causes the rock cycle to continue by the process of heating?
Earth's Hot Interior
What is the mantel made up of?
Oxygen, Silicon, Iron, Nickel and Magnesium
How do scientists know that the outer core is made of liquid?
What is the main characteristic that minerals have that rocks do not?
Definite chemical composition
What is the main characteristic that rocks have that minerals do not?
Organic
What 3 processes occur during the rock cycle that cause rocks to change forms?
melting, heat & pressure, and weathering, erosion, and deposition