Chapter 4- Volcanoes

Test Review

What kind of volcano is made of layers of cinders?

Cinder-cone volcano

Name the volcano that erupted in 79 AD and destroyed Pompeii and Herculaneum.

Mount Vesuvius

What is melted rock deep within Earth called?

magma

What is the most explosive type of volcano?

Composite-cone volcano

What kind of volcano is formed when lava flows quietly from a crack in Earth’s crust?shield volcano

What is an instrument that detects Earth’s movements?

seismometer

What is any opening in Earth’s crust through which hot gases, rocks, and melted material erupt?

volcano

List these words in order from most active to least active:intermittent, dormant, active, extinct Active

IntermittentDormantExtinct

How are lava and magma different?

Lava is magma that reaches Earth’s

surface.

What is a large circular depression within a volcano’s summit called?

A caldera

What are some examples of volcanic debris?

volcanic bombs, cinders, ash, dust

Where is the Ring of Fire located?

Around the edge of the Pacific Plate (Pacific Ocean)

What kind of eruptions are happening now in Hawaii- explosive or quiet and slow?

quiet and slow

A deep trench forms when plates collide in what kind of zone?

subduction zone

What kind of volcano is Mauna Loa?

Shield volcano

What kind of volcano is Vesuvius?

Composite-cone volcano

The islands of the Philippines are an example of what system?

island arc

What does a tiltmeter measure?

It measures the slope of an area of

a volcano.

Name the place that is described the following activities:

Kenya & Kilimanjaroformed when 3 plates

separatedsome of Earth’s oldest

volcanoes ancient remains are found

here The Great Rift Valley

Name the robot can travel inside volcanoes to gather data.

Dante

What is a region within a plate where magma occurs in a chamber near Earth’s surface?hot spot

Name the process that occurs at divergent plate boundaries.

rifting

Where do volcanoes occur?

along plate boundaries

What kind of lava is produced by the most explosive kind of volcano?

sticky lava and rock bits

Name the place described by the following clues:

*Mauna Loa & Kilauea*quiet eruptions*formed as a plate moved

over a hot spot*an active volcano is

currently forming an island

Hawaiian Islands

What kind of volcano is Mount Pinatubo?

cinder-cone volcano

What kind of eruption does a shield volcano have? What kind of lava is produced?

quiet lava flowvery fluid lava

Name the three kinds of volcanoes.

ShieldCinder-cone

Composite- cone