Volcanology Crossword

an opening in the earth's surface through which hot gases, ash, and molten rock are ejected from the earth's interior
molten rock
molten rock that flows from volcanoes
also known as stratovolcanoes; formed from both cinders and lava and they produce symmetrical, wide-based mountains
scientists who study volcanoes
huge bowl-shaped craters that scientists believe forms when a magma chamber beneath an erupted volcano collapses
consists of superheated gas and volcanic ash that travels swiftly down the volcanic slope as an avalanche
volcano that has erupted within recorded history or is currently producing seismic activity
volcano will probably not erupt again
the central feature of a volcano
any substance emitted from a volcano
the actual source of the eruption
ejecta between 2 and 64 mm in diameter
most active volcanic belt; where more than half of the world's volcanoes exist
pour out large quantities of highly fluid lava which produce gentle slopes
inactive volcano
solidifies underwater and forms rounded structures
study of volcanoes and volcano-related phenomena
consists of ejecta less than 2 mm in diameter
consists primarily of ash and rock fragments called cinders
forms, when solid materials are ejected from the volcano, accumulate
particles or blocks of solid volcanic ejecta