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Chapter 7
Volcanoes
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Volcanoes and Plate
Tectonics 1
Volcanoes and Plate
Tectonics 2
Volcanic Eruptions
1
Volcanic Eruptions
2
Volcanoes and Plate
Tectonics 1
Volcanoes and Plate
Tectonics 2
Volcanic Eruptions
1
Volcanic Eruptions
2
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Volcanoes and Plate Tectonics 1 $200
Where does most magma form?
Volcanoes and Plate Tectonics 1 $400
Because of the great pressure, what is mostly found in the
asthenosphere?
Volcanoes and Plate Tectonics 1 $600
What do we call an opening in the earth’s surface where lava
comes out?
Volcanoes and Plate Tectonics 1 $800
What do we call a string of volcanoes that forms
along a trench?
Volcanoes and Plate Tectonics 1 $1000
What happens when a plate with oceanic crust meets a plate
with continental crust?
Volcanoes and Plate Tectonics 1 $200-Answer
The Asthenosphere
Volcanoes and Plate Tectonics 1 $400-Answer
Solid Rock
Volcanoes and Plate Tectonics 1 $600-Answer
Vent
Volcanoes and Plate Tectonics 1 $800-Answer
An island arc
Volcanoes and Plate Tectonics 1 $1000-Answer
The oceanic plate is subducted
Volcanoes and Plate Tectonics 2 $200
What feature was Iceland formed over?
Volcanoes and Plate Tectonics 2 $400
What usually happens to magma after it forms in
the mantle?
Volcanoes and Plate Tectonics 2 $600
What do we call the vent and the material that builds up around it
collectively?
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What occurs in an area of the asthenosphere where surrounding rock exerts less-than-normal
pressure?
Volcanoes and Plate Tectonics 2 $1000
As a result of a subduction of one plate under another, What is magma mostly like to
erupt from?
Volcanoes and Plate Tectonics 2 $200-Answer
Mid-ocean ridge
Volcanoes and Plate Tectonics 2 $400-Answer
Rises through the cracks to the surface
Volcanoes and Plate Tectonics 2 $600-Answer
Volcano
Volcanoes and Plate Tectonics 2 $800-Answer
Magma forms
Volcanoes and Plate Tectonics 2 $1000-Answer
Volcano
Volcanic Eruptions 1 $200
Magma that erupts underwater often forms
what rounded formations?
Volcanic Eruptions 1 $400
What is the type of lava that is rich in silica and light in color?
Volcanic Eruptions 1$600
What is the easiest way to distinguish between volcanic ash and dust?
Volcanic Eruptions 1$800
What is formed when a magma chamber empties and collapses?
Volcanic Eruptions 1$1000
Why are seismographs useful in predicting volcanic eruptions?
Volcanic Eruptions 1$200-Answer
Pillow lava
Volcanic Eruptions 1$400-Answer
Felsic Lava
Volcanic Eruptions 1$600-Answer
The diameter (size)
Volcanic Eruptions 1$800-Answer
Caldera
Volcanic Eruptions 1$1000-Answer
It senses earthquake activity
Volcanic Eruptions 2$200
What type of lava usually flows out of oceanic volcanoes?
Volcanic Eruptions 2$400
What do you call material that is
erupted from a violent volcanic eruption?
Volcanic Eruptions 2 $600
Where do we most commonly find pillow
lava?
Volcanic Eruptions 2 $800
What kind of volcano forms when volcanoes eject solid fragments?
Volcanic Eruptions 2 $1000
What volcano erupted in the late 1800’s that caused tsunamis and a
drop in global temperatures?
Volcanic Eruptions 2 $200-Answer
Mafic Lava
Volcanic Eruptions 2 $400-Answer
Pyroclastic material
Volcanic Eruptions 2 $600-Answer
Mid-ocean ridges
Volcanic Eruptions 2 $800-Answer
Cinder Cone
Volcanic Eruptions 2 $1000-Answer
Krakatau
Final Jeopardy
Extraterrestrial Volcanoes
Final Jeopardy
You have 1 minute to consult…
What is the most volcanically active body in the solar
system?
Final Jeopardy
You have 30 seconds to consult…
What is the most volcanically active body in the solar
system?
Final Jeopardy
You have 15 seconds to consult…
What is the most volcanically active body in the solar
system?
Final Jeopardy
Time Is Up
What is the most volcanically active body in the solar
system?
Final Jeopardy - Answer
Io (one of Jupiter’s moons)
Jeopardy
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