Chapter 6: Volcanoes Flashcards
1
Q
a vent or fissure in the Earth’s surface through which magma and gases are expelled
A
volcano
2
Q
the body of molten rock that feeds a volcano
A
magma chamber
3
Q
an opening at the surface of Earth through which volcanic material passes
A
vent
4
Q
a wide, flat landform that results from repeated nonexplosive eruptions of lava that spreads over a large area
A
lava plateau
5
Q
an area of deep cracks that forms between two tectonic plates that are pulling away form each other
A
rift zone
6
Q
a volcanically active area of Earth’s surface far from a tectonic plate boundary
A
hot spot
7
Q
a funnel-shaped pit near the top of the central vent of a volcano
A
crater
8
Q
a large, semi circular depression that forms when the magma chamber empties and causes the ground to sink
A
caldera
