Plate Tectonics
Properties of Magma
volcanic Eruptions
Volcanic landforms
Miscellaneous
100
Liquid or molten rock inside the earth
What is magma
100
any characteristic of a substance which one can observe using your 5 senses.
What is a physical property.
100
A mythical goddess once believed to live within volcanoes
Who is Pele?
100
Type of volcano which is not cone shaped. It usually has more than one vent - maybe even a long slit rather than a vent.
What is a shield volcano?
100
A large container of magma beneath the volcano.
What is the magma chamber?
200
Liquid or molten rock which reaches the surface of the earth.
What lava
200
Term referring to the thickness or density of a liquid.
What is viscosity?
200
The world's most active volcano, it erupts quietly allowing spectators to walk down close to the lava flow.
What is Kilauea?
200
A volcano with more of the cone shape which is composed of alternating layers of ash, cinders or lava.
What is a composite volcano?
200
Major resource that tempts so many people to live very close to a volcano.
What is rich soil?
300
A weak spot in the crust through which magma is pushed to the surface.
What is a hot spot volcano
300
The most common mineral making up rock. the amount of this helps determine the thickness of magma.
What is silica?
300
Superheated gases, mixed with ash and cinders that can explode out of a volcano if the vent is plugged.
What is pyroclastic flow?
300
A huge hole left by the collapse a volcano. It usually forms a very large lake.
What is a caldera?
300
The Kraffts were killed by pyroclastic flow while filming volcanoes for this publication.
What is national Geographic?
400
a belt of volcanoes beneath the Pacific Ocean
What is The Ring of Fire
400
A type of lava, fast moving, very hot and not thick. when it hardens it looks like coils of rope or wrinkles.
What is pahoehoe?
400
Term used for a volcano like Kilauea which is fully capable of erupting.
What is active?
400
A landform created when magma is forced sideways between layers of rock and hardens.
What is a sill?
400
About 75% of all volcanic activity takes place here.
What is under an ocean?
500
Volcano in the state of Washington, on a plate boundary, exploded it's top off in 1980
What is Mount St,. Helens
500
Type of lava that is cool, slow moving and relatively thick. It hardens into jagged chunks.
What is aa?
500
Term used for a volcano that is often called sleeping - it hasn't erupted in a long time, but still could.
What is dormant?
500
Water, superheated by magma beneath the crust, explodes out of the ground - like Old Faithful
What is a geyser?
500
Federal source for Earth Science, they have successfully predicted the eruption of several volcanoes in time to save lives - like they did for Clark Air Force Base in the Philippines.
What is USGS ( United States Geologic Survey)