1547485
Descripción
Test por Evelyn Sbar, actualizado hace más de 1 año
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Creado por Evelyn Sbar
hace más de 9 años
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Pregunta 1
Pregunta
Lava released during volcanic activity builds up earth's surface.
Respuesta
- True
- False
Pregunta 2
Pregunta
Volcanic belts form along the boundaries of Earth's plates.
Respuesta
- True
- False
Pregunta 3
Pregunta
At plate boundaries, huge pieces of the crust diverge (pull apart) or converge (push together). As a result, the crust often fractures, allowing magma to reach the surface.
Respuesta
- True
- False
Pregunta 4
Pregunta
Most volcanoes form along diverging plate boundaries such as mid-ocean ridges and along converging plate boundaries where subduction takes place.
Respuesta
- True
- False
Pregunta 5
Pregunta
Along the _____________________, lava pours out of cracks in the ocean floor, gradually building _______________________.
Respuesta
-
Eastern seaboard, new states
-
rift valley, new mountains
Pregunta 6
Pregunta
Many volcanoes form near ________________ plate boundaries where oceanic plates return to the _____________________.
Respuesta
-
converging, mantle
-
diverging, core
-
converging, core
-
diverging, mantle
Pregunta 7
Pregunta
Volcanoes often form where:
Respuesta
-
two oceanic plates collide
-
an oceanic plate collides with a continental plate
-
near boundaries where two oceanic plates collide
-
near converging plate boundaries where oceanic plates return to the mantle
Pregunta 8
Pregunta
Through subduction, the older, denser plate sinks beneath a deep-ocean trench into the mantle. Some of the rock above the subducting plate melts and forms magma.
Respuesta
- True
- False
Pregunta 9
Pregunta
Because magma is more dense than the surrounding rock, it rises toward the surface.
Respuesta
- True
- False
Pregunta 10
Pregunta
When magma breaks through the ocean floor, it creates
Respuesta
-
tsunamis
-
earthquakes
-
volcanoes
Pregunta 11
Pregunta
Resulting volcanoes formed along a deep ocean trench are called a
Respuesta
-
ring of fire
-
island arc
-
earthquake belt
Pregunta 12
Pregunta
Volcanoes occur where an oceanic plate is __________________________ beneath a continental plate.
Respuesta
-
buried
-
subducted
-
elevated
Pregunta 13
Pregunta
Some volcanoes result from "hot spots" in Earth's mantle.
Respuesta
- True
- False
Pregunta 14
Pregunta
A volcano forms above a hot spot when water erupts through the crust and reaches the surface.
Respuesta
- True
- False
Pregunta 15
Pregunta
A hot spot in the ocean floor can gradually form a series of volcanic mountains.
Respuesta
- True
- False
Pregunta 16
Pregunta
The _____________________ Islands formed over ______________ of years as the Pacific Plate drifted over a hot spot.
Respuesta
-
British
-
Hawaiian
-
Russian
Pregunta 17
Pregunta
Hot spots can form under continents.
Respuesta
- True
- False
Pregunta 18
Pregunta
_______________________________________ in Wyoming marks a hot spot under the North American plate.
Respuesta
-
Mojave desert
-
Redwood forest
-
Yellowstone National Park
-
Grand Canyon
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