Earth's Moving Plates
Plate Tectonics
Earthquakes
Volcanoes
California
100
The idea that a past supercontinent split apart into pieces, which drifted over time to their present locations
What is Continental Drift?
100
These waves are produced by earthquakes and volcanic eruptions and they travel through Earth.
What are seismic waves?
100
a break or crack in the rocks of the lithosphere
What is a fault?
100
If the Earth started out as molten rock then this was the first type of rock
What is Igneous?
100
a fault over 800 miles long that runs from Eureka to the Salton Sea
What is the San Andreas fault?
200
A single landmass using the Greek words meaning "all land"
What is Pangaea?
200
the fastest seismic wave that travels through liquids, solids, and gases
What is Primary wave or P wave?
200
the point below the Earth's surface where an earthquake begins
What is the focus?
200
this type of volcano is made up of layers of lava rocks
What is a shield volcano?
200
California rests on these two tectonic plates
What are the North American and Pacific plates?
300
A scientist that studies the Earth's origin, history, structure, composition, and processes
What is a Geologist?
300
The S wave or secondary wave can only travel through this material
What is a solid?
300
the method used to find the location of an earthquake
What is triangulation?
300
Paricutin in Mexico is an example of this type of volcano
What is a cinder cone volcano?
300
this area of low land that is bordered by the Sierra Nevada in the east and the Coast Ranges to the west
What is Central Valley?
400
Fossil distribution and rock formations are examples that supported Wegener's theory of continental drift
What is evidence?
400
These metals are denser than rock and found in the core of the Earth
What is iron and nickel?
400
the scale used to determine the magnitude of an earthquake
What is the Richter scale?
400
the most violent type of volcanic eruption
What is Peleean?
400
the highest point and the lowest point in California
What is Mt. Whitney and Death Valley?
500
new rock that has built up a vast underwater mountain chain
What is the mid-ocean ridge?
500
the rigid outer part of Earth made of rocks in the crust and attached to the upper part of the mantle
What is the lithosphere?
500
based on observation this scale uses Roman numerals to describe an earthquakes intensity
What is the Mercalli scale?
500
a long, curved chain of volcanic islands
What is a volcanic island arc?
500
Bridal Veil Falls is one landmark found in this National Park
What is Yosemite?
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