Volcanoes

Front

Lava, rock fragments, gases and ash coming out in one spot on the surface of the Earth forms a mountain and is called

Back

a volcano.

Front

Melted rock inside the Earth is called

Back

magma.

Front

Explosive eruption that hurls ash, hot gases, cinders, and bombs from the main vent and travels at fast speeds down the volcano is called a . . .

Back

Pyroclastic flow

Front

Fragments that are about as small as grains of sand.

Back

Volcanic ash

Front

Lava fragments that are like pebbles in size are called ______.

Back

Cinders

Front

Large lava fragments that are like baseball in size.

Back

Bombs

Front

What is the principal ingredient to all types of magma?

Back

Silica

Front

Molten material that leaves a volcano's vent is called ___________.

Back

lava

Front

Also known as Strato Volcanoes, this volcano is made from alternating layers of ash and lava is called a(n) _________________ volcano.

Back

composite

Front

Smaller volcanoes that typically throw ash and other rock fragments into the air during eruption

Back

cinder cone