Plate Techtonics 1 Flashcards
Crust
The outermost layer of earth
Lithosphere
Earths crust and the rigid upper part of the mantle
Asthenosphere
The soft layer within the mantle that flows like a very thick liquid
Mantle
The middle layer of earth located between the crust and the core
Core
Earth’s innermost payer
Continental crust
The thicker, Older, and thicker part of the crust, which makes up the contenents
Oceanic crust
The rock that makes up the ocean floor
Magma
Melted rock below earths surface
Lava
Melted rock that reaches Earth surface
Tech tonic plate
One of the large sections into which the lithosphere is broken
Continental drift
The slow movement of the continents across earths surface
Pangaea
Large landmass of the distant past that included all of today’s continents
Theory of plate tectonics
A scientific theory stating that earths crust is made up of several a good place good move on the asthenosphere