Key Terms Earthquakes And Volcanoes Flashcards
1
Q
Ash
A
A very fine grained volcanic material
2
Q
Magma
A
Molten rock within the Earth. When magma reaches the surface it is called lava.
3
Q
Lava
A
Molten magma that has reached the Earth’s surface. It may be liquid or may have solidified.
4
Q
Chamber
A
The reservoir of magma located deep inside the volcano
5
Q
Crater
A
Depression at the top of a volcano following a volcanic eruption. It may contain a lake.
6
Q
Vent
A
The channel through which volcanic material is ejected.
7
Q
Active volcano
A
A volcano currently showing signs of activity
8
Q
Dormant volcano
A
a volcano that has not erupted for a very long time but could erupt again.