Volcanoes and Plate Tectonics
Magma can form under ________ conditions.
1
2
3
4
3
The _________, or resistance to flow, of magma affects the force with which a particular volcano will erupt
mafic
felsic
viscosity
caldera
any activity that includes the movement of magma toward or onto Earth’s surface
volcano
lava
volcanism
hot spot
describes magma or igneous rock that is rich in feldspars and silica and that is generally light in color
pyroclastic material
mafic
felsic
caldera
felsic
Name a way to prepare for a volcano.
Answers may vary
The major zone of active volcanoes is called?
The Ring of Fire
The Pacific Ring of Fire
The Atlantic Ring of Fire
The Ring of Ice
The Pacific Ring of Fire
The three types of mafic lava flow are
Pahoehoe, Aa, and Blocky
Paheehee, Bb, and Rocky
Pahoehoe, Aa, and Rocky
Paheehee, Aa, and Blocky
Pahoehoe, Aa, and Blocky
a volcanically active area of Earth’s surface, commonly far from a tectonic plate boundary
lava
magma
hot spot
volcano
hot spot
Which word did we not define in chapter 13?
mafic
volcano
earthquake
hot spot
earthquake
Name 3 types of natural disasters other than volcanoes.
answers may vary
A string of volcanic islands is called?
island chain
island arc
island peak
island line
island arc
All five type of pyroclastic material of the word volcano in the name?
True or False
False
liquid rock produced under Earth’s surface
lava
magma
hot spot
volcano
magma
describes magma or igneous rock that is rich in magnesium and iron and that is generally dark in color
caldera
felsic
mafic
pyroclastic material
mafic
Oceanic volcanoes are?
quiet
explosive
quiet
Large formations of igneous rock are called?
igneous rock
sedimentary rock
metamorphic rock
igneous rock
The 3 types of volcanoes in Table 1 are?
Shield cones, Cinder cones, composite volcanoes
Shield volcanoes, Cinder cones, Composite volcanoes
Shield volcanoes, Cinder cones, Composite cones
Shield volcanoes, Cinder cones, Composite volcanoes
a vent or fissure in Earth’s surface through which magma and gases are expelled
volcanism
hot spot
lava
volcano
volcano
a large, circular depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink
caldera
felsic
mafic
pyroclastic material
caldera
Continental volcanoes are?
quiet
explosive
explosive
Most hot spots form where columns of solid, hot material from the deep mantle, called mantle plumes.
True or False
True
What could a caldera later fill with?
animals
water
houses
air
water
magma that flows onto Earth’s surface; the rock that forms when lava cools and solidifies
magma
lava
hot spot
volcanism
lava
fragments of rock that form during a volcanic eruption
pyroclastic material
mafic
felsic
caldera
pyroclastic material
What is one word that would describe Mrs. Rebecca?
Answers may be funny!!