Volcanoes Crossword

A material found in lava that forms the element of oxygen.
Magma squeezing between the horizontal rock layers hardens to form this.
An area where material from the mantle rises through the crust and melts to form magma.
A hole left where the volcano collapsed.
A volcano unlikely to erupt again.
Volcanoes form a string of islands.
A mixture of hot gases, ash,cinders, and bombs that flow down the volcano.
A spread of lava.
One major belt of volcanoes.
An opening of the volcano leaving rock and gas.
A long tube extending from the earth's crust.
A mixture of rock forming substances, gases, and water from the mantle.
When magma reaches the surface.
A large body of magma inside the crust.
A gently sloping mountain where lava flows slowly to widen it.
A sleeping volcanoe that may come alive in the future.
A cone shaped hill or a small mountain.
Magma forcing across layers of rocks that harden.
A mountain that forms in the earth's crust with molten material.
A bowl shapes area that forms the top of a volcano around the central vent.