VOLCANOES Crossword

A land for, usually conical, produced by accumulations of erupted material.
An opening in the surface of the earth through which gas nad erupted material pass.
A locialized zone of melting in the mantle under a plate that form volcanoes and islands above it.
Dust size particles of hardened lava less than 2mm across that are thrown into the air.
Cracks in earth's crust where molten rock flows and floods the surrounding landscape.
A pool of magma within the earth.
When thick lava emerges from a volcano and forms a steep-sided bulbous structure on the volcanic summit.
A large, steep-sided, circular volcanic depression where the magma chambers' roof has collapsed.
This forms when lava cools quickly in the cold ocean.
When a liquid tends to resist flow.
A pebble-sized rock fragments that have the same composition as ash.
A cone shaped pit at the top of many volcanoes.
A wide, flat land resulting from repeated eruptions spreading over a large area.
The closest volcano to us which billions of years ago formed a large granite dome.
A mixture of hot rock, ash and lava fragments that are thrown from the vent of a volcano during an eruption.