Theory of Plate Tectonics
Theory of Plate Tectonics
Volcanoes
Volcanoes
Earthquakes
100
The theory that explains why and how continents move and is the study of the formation of features in Earth's crust.
What is PLATE TECTONICS.
100
The boundary between tectonic plates that are moving away from each other.
What is DIVERGENT.
100
A vent or fissure in Earth's surface through which magma and gases are expelled.
What is VOLCANO.
100
Liquid rock produced under Earth's surface.
What is MAGMA
100
Movements of the ground that are caused by a sudden release of energy when rocks along a fault move.
What is EARTHQUAKE.
200
The solid, outer layer of Earth that consists of the crust and the rigid upperpart of the mantle.
What is LITHOSPHERE.
200
When divergent boundaries move, a ________ forms.
What is RIFT (valley)
200
A volcanically active area of Earth's surface, commonly far from a tectonic plate boundary.
What is HOT SPOT.
200
Any activity that includes the movement of magma toward or onto Earth's surface.
What is VOLCANISM
200
The location within Earth along a fault at which the first motion of an earthquake occurs.
What is FOCUS.
300
The solid, plastic layer of the mantle beneath the lithosphere.
What is ASTHENOSPHERE.
300
The boundary between tectonic plates that are colliding.
What is CONVERGENT.
300
The three types of volcanoes are:
What is SHIELD, CINDER, COMPOSITE.
300
magma that flows onto Earth's surface; the rock that forms when lava cools and solidifies.
What is LAVA.
300
The sudden return of elastically deformed rock to its undeformed shape.
What is ELASTIC REBOUND.
400
Scientist have identify ______ major tectonic plates.
What is 15.
400
The result of oceanic crust and continental crust colliding causes a ______ to form.
What is TRENCH.
400
__________ is a state that was formed by a Hawaii.
What is HAWAII.
400
When is your test on these chapters?
What is MONDAY!
400
An area on Earth's surface where no direct seismic waves form a particular earthquake can be detected.
What is SHADOW ZONE.
500
Active volcanoes are found in the __________ of fire.
What is PACIFIC RING OF FIRE.
500
When convergent boundaries move, one ________ under the other.
What is SUBDUCTS.
500
These are the two types of boundaries that form volcanoes.
What is DIVERGENT & CONVERGENT.
500
_________ waves move parallel with the Earth's surface and _______ waves more perpendicular with the Earth's surface.
What is P-WAVES (PRIMARY) & S-WAVES (SECONDARY)
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