Volcanoes

The opening through which molten rock and gas leave a volcano

This part of the volcano is called the

A volcano that has caved into its empty magma chamber is called a ______________.

A volcano that is likely to never erupt again is a(n) ___ volcano.

A wide, gentle sloping volcano with quiet eruptions is called a

Pyroclastic Flows (top right) include:

Which volcano typically has a crater at its vent?

Type of Volcano for Bottom Right Image

Where the magma forms beneath the volcano

What is pyroclastic flow?

Which volcano is very high in silica content?

Type of Volcano for Top Left Image

A material found in magma, created by the combining of oxygen and silicon.

A volcano that is sleeping but may erupt again is a(n) ___ volcano.

A string of islands formed when magma breaks through the ocean floor and creates volcanoes.

Type of Volcano for Top Right Image

Quiet, or non-explosive, volcanoes:

High amounts of this compound makes for an explosive eruption

Where would a hot spot be located?

What is the Ring of Fire?

This part of the volcano is called the

When hot gases, ash, cinders, and lava bombs combine in an explosive eruption a ____ results.

Center top of the volcano

Which of the following is NOT a type of volcano?

A volcano that has steep slopes but is not very tall and has explosive eruptions is called a

This part of the volcano is called the

Molten material below Earth's surface is called

Which volcano is very steep and layered with varying types of lava?

Which volcano type forms from lava flowing from several long cracks in the surface?

When a volcano erupts and blows its top off, what landform can form and collect water?

What is magma called after reaching the surface?

Which of the following is NOT a common hazard AFTER an eruption has occurred?

Tallest type of volcano

Tube up through the center of the volcano

Volcanoes form over this spot when two plates move away from each other

Describe 'a'a

A volcano that is currently erupting is a(n) ___ volcano.

This part of the volcano is called the

What can give geologists a sign that a volcano could erupt soon?

Type of Volcano for Bottom Left Image

Hawaii was formed from

On which of the following boundaries can volcanoes form?

Which non-explosive volcano is mostly formed by lava flows?

A volcano that is tall, cone shaped and has both quiet and explosive eruptions is a

Describe pahoehoe

Volcanoes form over this spot when magma rises into the middle of a plate

The red oozing material down the volcano

This part of the volcano is called the

Volcanoes form over this spot when subduction occurs, bringing water deep into the mantle