Earth's Crust & Mantel
Earth's Outermost Layer
The Crust
The layer beneath the mantel
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
What two things can alter a mineral into a different mineral?
temperature or pressure
What does igneous rocks form from?
cooled magma/lava
Where does the rock cycle occur?
Earth's surface, crust, and mantel
The layer underneath the crust
The Mantel
What is the outer core made of?
molten metal; liquid metal; a liquid
Minerals can form from what type of processes?
organic and inorganic processes
This type of rock forms when small particles of rock or the remains of plants and animals are pressed and cemented together?
sedimentary rock
Movement of what helps to drive the rock cycle?
The tectonic plates
The mantel is broken up into how many layers?
3
What is the inner core made of?
Solid metal, a solid
What is the process by which atoms are arranged to form a material that has a crystal structure.
Crystallization
This type of rock forms when another type of rock changes due to chemical reaction or heat and pressure.
Metamorphic rock
Collision of continental plates can cause what?
Mountains
What are the three layers of the mantel?
Upper mantel, asthenosphere, lower mantel
Matter and energy cycle through Earth's interior and surface through a process called ...
convection currents
What 5 characteristics does a mineral need to have?
Naturally occurring, Solid, Forms by inorganic processes, crystal structure, definite chemical structure
What three things change when heat and pressure are applied to a rock.
Shape, texture, and composition
Formation and rise of magma from tectonic plate movement causes what?
Volcanoes