It is below the lithosphere and is the upper layer of earth's mantle. As well as the rocks in this sphere are called "plastic".

When a tectonic plate slips and it then becomes beneath another plate.

The idea that when new ocean crust forms, it takes place at mid-ocean ridges. They are also going to be destroyed at deep sea trenches.

The mechanism that causes plate movement.

Happens when an elevated ridge's weight causes an oceanic plate into subduction zone by pushing it.

Happens when the subducting plate's weight pulls the lithosphere and brings it into a subduction zone.

The magma that leaves leaves earth and comes above surface.

Made up of molten rocks, gases that are dissolved, and mineral crystals; it is located inside earth/under earth's surface.

They cover earth's surface and fit at their edges. They are also big parts of the crust.

Theory of continental drift

A theory by Alfred Wegener; it is the theory that all of the continents were once together as one and was called Pangaea.

It is the place where 2 tectonic plates are moving at each other/towards each other.

The place where 2 tectonic plates are moving away from each other/apart.

The place where 2 tectonic plates are sliding past each other; they pass by each other horizontally.

An area in earth's mantle that is unusually hot. The high temperatures rise.

located directly an earth quakes focus and it is a point on earth's surface.

It is on the initial fault rupture and it is where earthquakes originate. It is also below earth's surface.

It is made up of all of the continents; It broke apart in around 200 mya.

Threats to people or places and can be potentially dangerous; an environmental process; examples are landslides, slumps, creeps. etc.

Are results of horizontal and vertical compression and they may be seen near convergent plate boundaries.

They are caused by horizontal shear and it moves opposing directions/ in opposite directions.

Vertical movements that are going downward along a fault plane due to tension/caused by tension.

It is stress and it decreases a materials volume.

A stress that takes a material and pulls it apart.

It causes a material to twist and it is a type of stress.

Igneous rocks that have a lot of the elements that are responsible for forming feldspar and quartz.

Igneous rocks that have an abundance of magnesium and iron.

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LanaBivins-Unit 3 V

Plate tectonics

Term	Definition
Asthenosphere	It is below the lithosphere and is the upper layer of earth's mantle. As well as the rocks in this sphere are called "plastic".
Subduction	When a tectonic plate slips and it then becomes beneath another plate.
Seafloor spreading	The idea that when new ocean crust forms, it takes place at mid-ocean ridges. They are also going to be destroyed at deep sea trenches.
Mantle Convection	The mechanism that causes plate movement.
Ridge Push	Happens when an elevated ridge's weight causes an oceanic plate into subduction zone by pushing it.
Slab Pull	Happens when the subducting plate's weight pulls the lithosphere and brings it into a subduction zone.
Lava	The magma that leaves leaves earth and comes above surface.
Magma	Made up of molten rocks, gases that are dissolved, and mineral crystals; it is located inside earth/under earth's surface.
Tectonic Plates	They cover earth's surface and fit at their edges. They are also big parts of the crust.
Theory of continental drift	A theory by Alfred Wegener; it is the theory that all of the continents were once together as one and was called Pangaea.
Convergent Boundary	It is the place where 2 tectonic plates are moving at each other/towards each other.
Divergent Boundary	The place where 2 tectonic plates are moving away from each other/apart.
Transform boundary	The place where 2 tectonic plates are sliding past each other; they pass by each other horizontally.
Hot Spot	An area in earth's mantle that is unusually hot. The high temperatures rise.
Epicenter	located directly an earth quakes focus and it is a point on earth's surface.
Focus	It is on the initial fault rupture and it is where earthquakes originate. It is also below earth's surface.
Pangaea	It is made up of all of the continents; It broke apart in around 200 mya.
Geo hazard	Threats to people or places and can be potentially dangerous; an environmental process; examples are landslides, slumps, creeps. etc.
Reverse fault	Are results of horizontal and vertical compression and they may be seen near convergent plate boundaries.
Strike Slip fault	They are caused by horizontal shear and it moves opposing directions/ in opposite directions.
Normal fault	Vertical movements that are going downward along a fault plane due to tension/caused by tension.
Compression	It is stress and it decreases a materials volume.
Tension	A stress that takes a material and pulls it apart.
Shearing	It causes a material to twist and it is a type of stress.
Felsic	Igneous rocks that have a lot of the elements that are responsible for forming feldspar and quartz.
Mafic	Igneous rocks that have an abundance of magnesium and iron.

Created by: 22lanab57

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