| Name _______________ |
Date
_____________
|
Volcano Vocabulary List & Definitions
|
disaster
|
a sudden calamity, esp. one causing widespread damage or suffering.
|
| dormant
|
in a state of temporary inactivity or rest; suspended or slowed
down. |
| erosion
|
the
process by which material from the earth's surface is worn away
by forces such as glaciers, wind, and waves. |
| eruption
|
any volcano that is actively releasing lava and/or gases. |
| lava
|
molten
rock erupting from a volcano or volcanic fissure. |
| ash
|
the
soft residue that remains after combustion. |
| magma
|
the hot, liquefied matter beneath the earth's surface that erupts
from volcanos and cools to produce igneous rock. |
| pumice
|
light, porous hardened lava, powdered or whole, used as an abrasive
and polishing agent. |
| summit
|
the
part with the highest elevation, esp. of a mountain; peak. |
| vent
|
an
opening which allows entrance, passage, or exit of a gas or vapor,
esp. of air or smoke. |
| crater |
a
bowl-shaped depression with a raised rim, such as the mouth of a
volcano or geyser, or the circular depressions on the surface of
the moon, usu. with a mountain at their center. |
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