Types of Volcanoes

Front

What is the term for molten rock that is below the Earth's crust?

Back

Magma

Front

Which type of lava flows smoothly and has low viscosity, forming wrinkles and coils?

Back

Pahoehoe

Front

What type of volcano is formed quickly from ash, cinders, and bombs building up around the vent?

Back

Cinder Cone

Front

Which type of volcano is characterized by alternating quiet and explosive eruptions that create layers?

Back

Composite

Front

What type of volcano is formed primarily from a series of quiet eruptions?

Back

Shield

Front

What is the main difference between Pahoehoe and A'a lava?

Back

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

Front

What is a key characteristic of a Cinder Cone volcano?

Back

It is steep and formed from volcanic debris.

Front

What type of eruptions are typical of a Shield volcano?

Back

Quiet eruptions that produce low-viscosity lava.

Front

What is the shape of a Composite volcano?

Back

It has a steep profile and is formed from layers of lava and ash.

Front

What is the primary material ejected during a volcanic eruption?

Back

Tephra, which includes ash, cinders, and volcanic rocks.