Earthquakes
Volcanoes
Theories
Layers
Vocabulary
100
Earthquake
What is shaking that results from a sudden and instant movement of the tectonic plates?
100
Dormant
What is the name of a volcano that rarely erupts?
100
Plate tectonics
What is the theory that pieces of the Earths lithosphere are in constant motion?
100
Crust
What is the outermost layer of the Earth?
100
Harry Hess
What is the name of the man credited to give the name plate tectonics?
200
Focus
What is the underground point of the earthquake?
200
Novarupta
What is the largest volcanic eruption of the twentieth century?
200
Fault
What is a break in the Earths crust where large pieces of rock slip past each other?
200
Mantle
What is layer between the Earth's core and the crust makes up majority of the layers?
200
Uplift
What is when the plates are pushed up at a convergent boundary and creates a mountain?
300
Fault
What is the break or crack along which rocks move?
300
Extinct
What is a volcano that will no longer erupt called?
300
Divergent boundary
What is a boundary formed when two plates move away from each other?
300
Core
What is the innermost layer of the Earth and also the hottest layer?
300
Transform boundary
What is a plate formed when two plates grind past each other?
400
Epicenter
What is the point above the surface where the earthquake took place?
400
Vent
What is the opening called when a volcano erupts?
400
Convergent boundary
What is a boundary formed when plates move toward each other?
400
Lithosphere
What is uppermost part of the mantle that sits directly under the plates?
400
Topography
What is the features and shapes of the Earth's surface?
500
Surface Wave
What is the wave that causes most destruction in an earthquake?
500
Mt.Kilauea
What is the worlds most active volcano.
500
Scientific theory
What is a well-tested concept that explains a wide range of observations?
500
Asthenosphere
What is the layer under the lithosphere also a upper layer of the mantle?
500
Pangea
What is the super-continent that existed about 225 million years ago?
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