Plate Tectonics
Earth's Layers
Volcanoes & Earthquakes
Vocabulary 1
Vocabulary 2
100
What is the name of the boundary that causes mid-ocean ridges?
A Divergent Boundary
100
What layer of the Earth is the innermost layer?
The Core
100
Most volcanoes and earthquakes happen on the ________ __________. <--What is this?
Plate Boundaries
100
Earth's surface, the crust, is broken into many pieces that can move and make contact with one another. ~What are these "rigid broken pieces" that Earth is broken into?
Plate Tectonics
100
This is the circulation of particles within an object, caused by different changes in thermal energy. ~What is this called?
Convection
200
What is the name of the boundary that causes subduction?
A Convergent Boundary
200
What is the name of the outside layer of the Earth?
The Crust
200
What is the liquid rock that comes out of a volcano called?
Lava
200
The boundary between two plates when the move, or shift away from each other. ~What is this boundary called?
Divergent Boundary or Divergent
200
A crack or fracture in Earth's lithosphere , in which movement occurs. ~What is this occurrence called?
This is a fault.
300
What is the name of the boundary that causes a fault?
A Transform Boundary
300
What is the middle layer of the Earth called?
The Mantle
300
What is the liquid rock that is beneath the ground in the volcano?
Magma
300
The boundary between two plates that move toward each other. ~What is the boundary called?
Convergent Boundary or Convergent
300
A vent in Earth's crust, in which molten rock flows. ~What is this called?
This is a volcano.
400
What type of heat transfer causes the plates to move?
Convection
400
In what layer does convection happen?
The Mantle
400
What occurs when two tectonic plates slide past each other?
An Earthquake
400
The boundary between two plated that slide and grind each other. ~What is the name of this boundary?
Transform Boundary
400
Vibrations and shifts caused by the snagging of a fault in Earth's surface. ~What is this occurrence?
Earthquake
500
What two catastrophic events often occur at convergent boundaries?
Two Answers: Earthquakes & Volcanoes.
500
What layer of the Earth has the most mass?
The Core
500
What catastrophic event can occur after an earthquake?
A Tsunami
500
The process that occurs when one tectonic plate moves UNDER another tectonic plate. ~What is the occurrence called?
Subduction
500
This is a long, narrow ridge on the ocean floor formed by magma at divergent plate boundaries. ~What is this called?
Mid-ocean ridge