Plate Tectonics
Layers of the Earth
Volcanoes
Earthquakes
Spheres
100
Two plates moving away from each other
What is Divergent Plate Boundary
100
This layer is at the center of the earth
What is the Inner Core
100
This volcano is made from loose pyroclastic material that forms steep slopes as it falls from the air
What is a cinder cone volcano
100
This instrument is used to measure seismic waves
What is a seismmometer
100
This sphere is made up of gases that envelop the Earth
What is the Atmosphere
200
Another name for submarine mountain ranges
What is mid-oceanic ridges
200
The layer that we stand on
What is the crust
200
This volcano is made from alternating layers of pyroclastic material and solidified lava flows
What is a composite cone volcano
200
An instrument that reports the magnitude of earthquakes
What is Richter scale
200
This sphere is the water on or near Earth's surface
What is the hydrosphere
300
two plates move toward each other
What is convergent plate boundaries
300
The thickest layer of the earth
What is the mantle
300
This volcano is formed from very viscous lava that piles up over a volcanic vent
What is lava domes
300
This instrument determines the intensity of an earthquake
What is the Mercalli scale
300
This sphere includes all living or once-living material on Earth
What is the biosphere
400
two plates move sideways past each other
What is transform plate boundaries
400
This causes the inner core to be solid iron and nickel
What is intense pressure
400
This volcano is made from successive eruptions of mafic lava.
What is a shield volcano
400
The point within the Earth where seismic waves first originate, also known as the center of the earthquake
What is the focus
400
This sphere has includes rock and other inorganic Earth material
What is the geosphere
500
where the oceanic plate descends into the mantle beneath another plate
What is the subduction zone
500
This layer is next to the mantle and is also a liquid layer
What is the outer core
500
This volcano has large volcanic craters formed by the collapse of volcanoes into magma chambers
What is a caldera
500
The break between the two rock masses is called
What is a fault
500
This sphere is the crust and uppermost part of the mantle
What is the lithosphere.
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