Earth Layers and Minerals Flashcards
What layer of Earth do we live on?
The crust
What is the thickest layer of earth that lies below the crust?
The mantle
What is the center part of the Earth called?
the core
How many layers is the earths core divided into?
2
What is the earths core composed of
Dense/Heavy Metal
What is the Moho?
A boundary area.
Where is the Moho located?
Between the crust and mantle
What happens at the Moho?
Seismic waves speed up there
What part of the Earth is the lithosphere
The crust and upper mantle
Are minerals organic or inorganic?
Inorganic
Are minerals solids or liquids?
Solids
True/False
Minerals have no particular arrangement or chemical formula/make-up
False
Approximately this many minerals have been discovered on the Earth
Over 4,000
Why isn’t color a reliable identification test for minerals
Because many different minerals may be the same
The color of the powder of a mineral is called its:
Streak