Volcanoes 1
What is the dust coming out of the tops of volcanoes?
What is ash cloud.
Where is magma located in a volcano?
What is the bottom.
Explain where the main vent in a volcano is located.
What is the center of the volcano.
Name 3 of the different types of volcanoes.
What is Shield Volcano, Composite Volcano, and Cinder Cone Volcanoes.
Also: lava plateaus, caldera (types of volcanic landforms)
What is a volcanic neck
________ is a huge hole left by a collapse of a volcano.
What is caldera.
What are some destructive effects of volcanoes?
What is destroying animal habitats, destroying cities and communities, destroying animals, crops and people.
What are some constructive effects of volcanoes?
A __________ volcano is tall and formed of alternating layers of ash and lava; shoots out lava and rock fragments, forming a high, towering mountain.
What is composite.
This is a mass of rock formed when magma cools inside the crust and erosion wears away the soft layers to expose this giant rock
What is a batholith?
The _____________ is a volcanic belt consisting of volcanoes and earthquakes located at the rim of the pacific boundary, caused by the diverging and converging of plates in that area.
What is The Ring of Fire.
_________ is molten rock on Earth's surface.
What is lava.
Fractures in Earth's crust allow magma to reach the surface causing ___________.
What are volcanoes.
A ______ ______ is a high, level area built up over time from seeping out of several cracks, traveling a distance and solidifying.
What is lava plateau.
Magma that hardens across rock layers
What are dikes
What causes volcanoes?
What is when fractures in the Earth's crust allow magma to reach the surface.
________ is molten rock beneath Earth's surface.
What is magma.
An ________ volcano is not likely to erupt again.
What is extinct.
A ________ volcano is where lava flows out freely from a vent, building a wide, gently sloping mountain.
What is shield volcano.
What is a dome mountain?
A ________ _________ is when magma flows easily with gasses bubbling out gently and quietly.
What is quiet eruption.
A _______ _________ is when magma with trapped gasses build up pressure and explode with incredible force.
What is explosive eruption.
A ______ ______ is an area where material from deep within the mantle rises then melts, possibly forming a volcano where magma erupts through the crust.
What is hot spot.
A _________ volcano's lava has high viscosity and produces ash, cinders and bombs that build up a steep hill.
What is cinder cone volcano.
These volcanic landforms form long, dark cliffs
What are sills?