Types of Volcanoes

Front

What are the characteristics of lava with low viscosity?

Back

Runny, Smooth, Flows Easily

Front

What type of volcano is Mount St. Helens?

Back

Composite volcano, composed of layers of lava and cinders.

Front

What type of eruption is likely with high viscosity lava?

Back

Explosive eruption.

Front

What type of volcano is wide and flat, created by layers of lava flow?

Back

Shield volcano.

Front

What type of lava has high viscosity and a rough, jagged surface?

Back

A'a lava.

Front

What is viscosity in relation to lava?

Back

Viscosity refers to the thickness or resistance to flow of lava.

Front

What type of volcano is formed primarily from volcanic ash and cinders?

Back

Cinder Cone volcano.

Front

What is a shield volcano?

Back

A volcano that is wide and flat, formed by the flow of low-viscosity lava.

Front

What is a composite volcano?

Back

A volcano made up of alternating layers of lava flows, ash, and cinders.

Front

What is the difference between pahoehoe and a'a lava?

Back

Pahoehoe is smooth and flows easily, while a'a is rough and jagged.