Tectonic Plates
Crust In Motion
Earthquakes
Volcanic Activity
More Volcanic Activity
100
A crack in the lithosphere where two of Earth's plates meet.
What is plate boundary?
100
A landform that has more or less level surface and is elevated high above sea level.
What is plateau?
100
A force that acts on a rock to change its shape or volume.
What is stress?
100
An opening through which molten rock and gas leave a volcano.
What is vent?
100
A long tube through which magma moves from the magma chamber to Earth's surface.
What is pipe?
200
It was the name of the single landmass that broke apart 225 million years ago and gave form to the world today.
What is Pangaea
200
Stress that squeezes rock until it folds or breaks.
What is compression?
200
A scale that rates seismic waves as measured by a mechanical seismograph.
What is Richter Scale?
200
A material that is formed from the elements oxygen and silicon. It is found in magma.
What is silica?
200
A volcano that does not show signs of erupting in the near future is called this.
What is dormant?
300
The theory that states that Earth's plates are in constant, slow motion.
What is Plate Tectonics?
300
A type of fault where the hanging wall slides downward caused by tension in the crust.
What is a Normal Fault?
300
A scale that rates earthquakes by estimating the total energy released by an earthquake.
What is moment magnitude scale?
300
A volcano that is is erupting or shows signs or eruption in the near future is called this.
What is active?
300
A type of hot spring that builds up pressure underground and erupts at regular intervals as a fountain of water and steam.
What is geyser?
400
It is a section of the lithosphere that slowly moves carrying pieces of continental and oceanic crust.
What are plates?
400
Stress that pushes a mass of rock in opposite directions.
What is shearing?
400
The point beneath Earth's surface where rock breaks under stress resulting in an earthquake.
What is focus?
400
The pocket beneath a volcano where magma collects.
What is magma chamber?
400
Heat energy in Earth's interior from water to steam that has been heated by magma.
What is geothermal energy?
500
Developed a Hypothesis to explain how some of the continents seemed to fit together.
Who is Wegener?
500
Type of fault where rocks on either slide move past each other.
What is Strike Slip Fault
500
A type of seismic wave that compresses and expands ground.
What is P Wave?
500
A hot, fast-moving type of lava that hardens to form smooth, ropelike coils.
What is pahoehoe?
500
Describes a type of organism that no longer exists anywhere on earth, or a volcano that is unlikely to erupt again.
What is extinct?
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