Volcanos Crossword

Harden lava that is jagged and usually found in Hawaii.
Small fragments of lava.
Glassy strains of harden volcanic material.
Hot molten rock from the Earth's mantle that has come to the surface through a vent in the Earth's crust.
Rock formed from materials deposited at the bottom of a body of water.
Broken off pieces of larger volcanic rocks.
A pit in the ground left by a collapsed volcano.
A spongy form of rock made out of volcanic fragments.
Piles of hardened lava surrounding an underwater volcanic eruption.
Small pieces of lava.
A volcano surrounded by a small cone of volcanic rock.
Describes a volcano that has not erupted in historical times.
Fields of hardened lava in smooth, rope like strands.
Large boulder like chunks of cooled lava that is shot up in the air during an eruption.
An opening in the earth's crust witch molten rock can pour fro that hot mantel below.
A volcano surrounded by tall, cone-shaped mountain made out of lava, ash, and pyroclasic rock.
A volcano surrounded by gently sloping hills in a circular or fan-shaped pattern.
Magma that has risen to the surface of the Earth.
Pools of water warmed by hot rocks beneath ground.
The independently moving pieces of the Earth's crust.