In areas where the lithosphere is being pulled apart, the crust

When two plates carrying continental crust collide, the rock of the continents

Volcanoes in the Ring of Fire are supplied with magma rising from

The explosiveness of a volcanic eruption depends mostly on the ___________________ of the magma.

The type of magma erupting from a volcano determines the volcano's

A dead volcano is called what?

A sleeping volcano is called what?

What are the mountains that form as blocks of rock move up or down along normal faults.

Folded mountains form at which type of plate boundary?

What do earthquakes, volcanoes, and mountain building have in common?

Which of these is NOT a type of volcano?

Earthquakes and volcanoes are most likely found in which locations?

Where are most volcanoes located?

What is liquid rock called within the Earth's surface?

What type of volcano is built almost entirely from ejected lava fragments?

What is liquid rock that spills onto the Earth's surface?

What are fast moving clouds of gas, ash, and rock bombs that are products from an explosive eruption?

What are places in the interior of plates where volcanoes occur?

A shield volcano is the tallest and most explosive volcano.

What is another name for tephra?

A cinder cone erupts tephra or pyroclastics.

What kind of volcano is made of alternating layers of lava and tephra?

What is a dent or depression called on a volcano?

A low silica volcano makes what type of eruption?

A high silica volcano makes what type of an eruption?

The car-sized material being shot out of a volcano are called what?

What type of volcano is composed of layers of pyroclastics and lava flows?

What type of volcano is composed of layers of cinders and pyroclastics?

What main feature is created in a subduction zone when the plate that is subducted begins to melt?

What type of boundary would you likely find a stratovolcano?

What type of volcano has the most explosive eruptions?

What type of volcano is Mount St. Helens?

Which volcano is a wide, gently sloping mountain formed by thin layers or lava that pour out of a vent and harden on top of previous layers?

What forms when hot water and steam are trapped underground in a narrow crack, get heated and erupt from the cracks?

A dense mud flow that results when snow and ice melts during an eruption and combines with volcanic ash and debris is a(n)