Definitions
Vocabulary
Volcanoes
Eruptions
Places
100

Melted rock that is still underground.

What is the definition of Magma?

100

Something dangerous

What is a hazard?

100

A large hole at the top of a volcano.

What is a caldera?

100
When magma rises through the surface and flows out of the volcano as a viscous liquid called lava.
What is an effusive eruption?
100

Hawaii

What is the name of the island?

200

Things done in advance to try to prevent a dangerous situation.

What is the definition of precautions?

200

A group of people living in the same place

What is a community?

200

A wide, gently sloping volcano formed by slow lava flow.

What is a shield volcano?

200

When magma is torn apart as it rises and reaches the surface in pieces known as pyroclasts.

What is an explosive eruption?

200
United States (Washington state)
Where is Mt. Saint Helens located?
300

very hot and melted

What is the definition of molten?

300

When a volcano explodes or sends out lava and ash.

What is an eruption?

300

The main channel through with Magma rises.

What is a central vent?

300

Riven by the compression of gas within magma, the direct opposite of the process powering magmatic activity.

What is an phreatomagmatic eruption?

300
Phillipines
Where is the volcano Mt. Pinatubo?
400

Swallowed up or covered up completely

What is the definition of engulfed?

400

To leave a place for safety.

What is evacuate?

400

An area filled with molten rock, that rises from below the surface.

What is an Magma reservoir?

400
An eruption which involves the decompression of gas within magma that propels it forward.
What is a magmatic eruption?
400
Pompeii
Where is Mt. Vesuvius located?
500

A bowl shaped hole at the top of a volcano.

What is the definition of crater?

500

Melted rock that comes out of a volcano

What is lava?

500

Other openings in a volcano where Magma, gases, and ash can escape.

What is a side vent?

500
An eruption which is driven by the superheating of steam via contact with magma; these eruptive types often exhibit no magmatic release, instead causing the granulation of existing rock.
What is a phreatic eruption?
500

Hawaii

Where is the volcano Mauna Loa located?