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Volcano Vocabulary J

Study guide

Magma molten material beneath or within the earth's crust.
Lava fluid rock that issues from a volcano or volcanic vent.
Viscosity force tending to cause the fluid to flow.
Silica A substance that determins the Viscosity of a fluid.
Pahoehoe Light-colored lava that is very runny.
Aa Dark-colored lava that is like molases.
Volcanic ash finely pulverized lava thrown out by a volcano in eruption. a light, silvery-gray color.
Cinders The crater at the top of a volcanoe.
Bomb A big eruption caused by a volcanoe.
Volcano A crack in the earths crust and lava builded up over time creating a volcanoe
crust the big hole in the volcano around the cinder.
Created by: jstanton
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