all lessons for 1st quarter Flashcards
(45 cards)
Term derned from a Greek word “tekton” means “carpenter” or “builder”
Tectonic
Also called “Lithospheric plates”
Tectonic plates
Solid, outer part of the Earth
Lithosphere
Hotter and ductile. Plate tectonic movements.
Asthenosphere
Pacific plate, Indo-Australian plate, North American Plate, South American plate, African plate, Antarctic plate and Eurasian plate.
Major tectonic plates
Philippine sea plate, Nazca plate, Scotia plate, Juan De Fuca plate, Caribbean plate, Arabian plate, Cocos plate, Indian plate
Minor tectonic plates
Father of Plate Tectonics
Alfred Wegener
Explained that there was a supercontinent named “Rodina”
Continental drift theory
Thin outer layer of the earth
Crust
Density is much less as compared to the oceanic crust.
Continental lithosphere
Covers the ocean basins
Oceanic lithosphere
Two types of lithospheric plates.
Continental and Oceanic plate
Deepest hole ever dug?
Kola a super hole in Russia
Almost two thirds of the earth’s mass
Mantle
Movement of materials, transfers energy from one place to another.
Convection Currents
A liquid that is made out of iron and nickel
Outer core
Solid that is made out of iron and nickel
inner core
An opening in the earth’s crust that allows molten rock, gasses and debris to escape to the surface.
Volcano
Inside the volcano
Magma
Outside the Volcano
Lava
Where magma goes through
Main vent
Proof that a Volcanic eruption
Ash cloud
Types of magma
Basaltik, Andesitic, Rhyolitic
Resistance to flow
Viscosity