What is a super contininent that formed 300 million years ago. This began to break up beginning 250 million years ago.
Pangaea
100
What are three types of stresses on Earth's crust?
compression, tension, shear
100
What is the movement or tremblingof the ground that is caused by a sudden release of energy when rocks along a fault move?
Earthquake
100
What instrument records vibrations in the ground?
seismograph
100
What is liquid rock produced under Earth's surface?
magma
200
What is a solid outer layer of Earth that consists of the crust and the rigid upper part of the mantle.
Lithosphere
200
What are two types of strains on Earth's crust?
brittle and ductile
200
What is the location within Earth along a fault at whcih the first motion of an earthquake occurs?
focus
200
What measures the strength of an earthquake?
Magnitude
200
What is magma that flows onto Earth's surface?
lava
300
What is a solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it.
Asthenosphere
300
What are three types of mountains?
folded mountains(Plateaus)
fault-block mountains (Grabens)
Dome mountains
300
What is the point on Earth's surface directly above an earthquake's starting point, or focus?
Epicenter
300
What is a region of numerous, closely spaced faults?
fault zone
300
What is a vent or fissure in Earth's surface through which magma and gases are expelled?
volcano
400
What are the three types of plate boundaries?
Divergent, convergent, transform
400
What is a giant ocena wave that forms after a volcanic eruption, submarine earthquake, or landslide.
Tsunami
400
What is a seismic wave that travels through the body of a medium?
body wave
400
In Earth science what do you call the amount of damage casued by an earthquake?
intensity
400
What is a vocanically active area of Earth's surface through which magma and gases are expelled?
hot spot
500
What is the theory that explains how large pieces of the lithosphere, move and change shape.
Plate tectonics
500
Where is the largest volcano located?
Yellowstone
500
What is a shear wave, a seismic wave that causes particles of rock to move in a side-to-side direction perpendicular to the directionin which the wave is traveling. This is the second fastest seismic wave and can only travel through solids.
s wave/secondary wave
500
What is a compression wave,or seismic wave that causes particles of rock to move in a back and forth direction parallel to the direction in which the wave is traveling. This is the fastest sesmic wave that can travel through liquid solids, and gases.