6th Science - Inside Earth Ch. 3 Vocabulary

Where is the largest volcano, Olympus Mons, found?

This forms when groundwater is heated by a nearby body of magma and collects in a natural pool.

The huge hole left by the collapse of a volcanic mountain is called a what?

What is the area covered by lava as it pours out of a vent?

This is a mass of rock formed when a large body of magma cools inside the crust. 

When magma reaches the surface, it is called _____

What is a material that is formed from the elements oxygen and silicon?

A volcano formed from lava that is thick and stiff and forms a steep, cone-shaped mountain.

Beneath a volcano, magma collects in a pocket called a ____

Geothermal energy is made from water that is heated by what?

Where do most volcanoes occur?

A __ is  narrow, almost vertical crack in the crust through which magma rises to the surface.

This volcano is erupting, or has shown signs that it may erupt in the near future. 

When magma squeezes between layers of rock, what does it form?

This is a fountain of water and steam that erupts from the ground. 

The Ring of Fire, a major volcanic belt, is formed by many volcanoes that rim which ocean?

Lava collect in the ___, the bowl-shaped area that forms around the volcano's vent. 

This planet has volcanic mountains & other features that are made of thin, runny lava. 

This volcano is tall and cone-shaped and layers of lava alternate with layers of ash. 

What's an area where magma from within the mantle melts through the crust like a blow torch?

This volcano is expected to awaken in the future and become active. 

This fast-moving, hot lava is produced in a quiet eruption. 

An island arc is a string of islands formed by the volcanoes along what?

Magma that forces itself across rock layers hardens into a what?

What is a weak spot in the crust where molten material, or magma, comes to the surface?

This forms when magma hardens in a volcano's pipe. 

This lava is cool and slow-moving, and is produced in a quiet eruption. 

This volcano is unlikely to erupt again.

This occurs when an explosive eruption hurls out ash, cinder, and bombs as well as gases. 

Lava that flows gradually builds a wide, gently sloping mountain called what?