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3 Types
Lava
Definitions
Miscellaneous
Review
100
Mount St. Helen is what kind of volcano
What is a composite volcano
100
The opening from which the lava flows is called
What is a vent
100
Magma that reaches the Earth's surface is called
What is lava
100
What are the two basic types of eruptions?
What is explosive and quiet
100
The Ancient Rome city of _________ was casted into stone in 79 A.D. when Mt. Vesuvius erupted.
What is Pompei
200
Yellowstone is a _____________ volcano.
What is a caldera
200
Pahoehoe is a type of lava that is
What is fast, hot and runny
200
The pit at the top of a volcanic cone is
What is a crater
200
___________ eruptions shoot rocks, lava, gases, ash and dust high into the air.
What is Explosive
200
The point beneath Earth's surface when an earthquake starts
What is the focus
300
This volcano is formed from explosive eruptions layering the cone in dust, ash and rock particles.
What is a cinder cone
300
Aa is a type of lava that is
What is cooler, thicker and slower moving
300
A large hole that forms when the roof of a magma dome collapses is called
What is a caldera
300
True or False: Volcano with a full magma chamber are extinct.
False. What is an active
300
The instrument used to detect and measure earthquakes is
What is a seismograph
400
This volcano has a wide base, gentle slopes and quiet eruptions
What is a shield cone volcano
400
Quiet eruptions produce two types of lava
What is Pahoehoe and Aa
400
Volcanoes are classified by the
What is eruption
400
The magma chamber of an ______________ volcano is half full and filling slowly.
What is an inactive volcano
400
A sudden, strong movement of Earth's crust is
What is an earthquake
500
This volcano has characteristics of both shield and cinder cone volcanoes
What is a composite volcano
500
The amount of _____________ in lava determine how thick or runny the lava will be.
What is silica
500
Mauna Loa in the Hawaiian Islands is which type of volcano
What is a shield
500
A ___________ flow is the mixture of hot gases, ash, cinders and bombs that flow down the sides of a volcano when it erupts explosively.
What is pyroclastic
500
The Ring of Fire is located on the continents coastline along the
What is the Pacific Ocean