Volcanoes Question Preview (ID: 34550)


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Hot molten rock when it is above Earth's surface is called
a) Magma
b) Convection
c) Lava
d) Caliente

Hot molten rock below Earth's surface is called
a) Lava
b) Magma
c) Pyroclastic
d) Mantle

Resistance of a liquid to flowing
a) Viscosity
b) Pyroclastic
c) Convection
d) Versatile

Movement of matter due to differences in density
a) Magma Plume
b) Coincedence
c) Convection
d) Lava

When two plates collide and one gets pushed beneath the other into the mantle
a) Subduction
b) Divergent
c) Conduction
d) Subtraction

The opening at the surface of Earth through which volcanic material passes through
a) Crater
b) Vent
c) Gorge
d) Ridge

An active volcanic area of Earth's surface, commonly far from a tectonic plate boundary
a) Fault
b) Hot Spot
c) Magma Plume
d) Lava chamber

What is a vent or fissure in Earth's surface through which magma and gasses are expelled
a) Mountain
b) Plate Boundary
c) Geyser
d) Volcano

Volcanoes erupt because of
a) Pressure in the Earth forcing the hot rock through a crack
b) The Earth getting overheated
c) Earthquakes
d) Electromagnetic Radiation

The Hawaiian Islands were formed by
a) Subduction between oceanic plates
b) A rift valley on the ocean floor
c) A hot spot
d) Magma Plume

The higher the viscosity, the _____a liquid will flow
a) Faster
b) Slower
c) Stays the same
d)

A volcano that is not currently active, but it may become active in the future is called
a) Active
b) Dormant
c) Extinct
d)

A volcano that will never erupt again is known as
a) Active
b) Dormant
c) Extinct
d)

When ash, cinders, and bombs build up in a steep pile around a volcano's vent
a) Shield Volcano
b) Composite Volcano
c) Cinder-Cone Volcano
d)

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash
a) Cinder-Cone Volcano
b) Composite Volcano
c) Shield Volcano
d)

When many layers of thin, runny lava build up a high, level area, the result is
a) Composite Volcano
b) Shield Volcano
c) Cinder-Cone Volcano
d)

What are the two elements that affect the viscosity of the lava
a) Silica and Temperature
b) Silica and Rocks
c) Minerals and Rocks
d) Temperature and Size of the Volcano

If a volcano was high in silica content one would expect the eruption to be
a) Quiet
b) Explosive
c)
d)

Two places were volcanoes most likely form are
a) Tectonic Plate Boundaries and Hot Spots
b) Tectonic Plate Boundaries and Vents
c) Mountains and Oceans
d)

Why is Mr. Pickinpaugh the most amazing person
a) Because he just is
b)
c)
d)

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