Volcanos

What is a Volcano

• A shield volcano is a type of volcano usually composed almost entirely of fluid lava flows. It is named for its low profile, resembling a warrior's shield lying on the ground.

• A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers of hardened lava, tephra, pumice and ash.

• A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust.

How is the volcano named Mount Rainier in Washington state classified?

• Extinct

• Aactive

• Dormant

All hotspots rise up beneath oceanic plates.

• True

• False

Which is the largest volcano on land ?

• Mauna Loa

• Anak Krakatoa ( The child of Krakatoa)

• Mount Staint Helans

• Mount Tambora

Which is the wold's largest underwater volcano and the largest volcano on land and in our Solar System in the future ?

• Tamu Massif

• Emperor of China ( volcano)

• Healy

• Banua Wuhu

• Brother's Volcano

Which is the world's deadliest volcano ?

• Mount Tambora

• Mount Vesuvius

• Pelée

• Krakatoa

• Unzen

Which tool helps scientists detect small changes in a volcano’s shape?

• Spiders" (seismic monitoring device)

• Global Positioning System

• Thermal imaging

How does seismic data help scientists predict volcanic eruptions?

• It helps scientist track the amount of volcanic gas emissions.

• It helps scientists track the movement of magma inside the volcano.

• It helps scientists measure the types of gas released at the surface.

The types of gases emitted from a volcano can indicate how soon it may erupt.

• True

• False

Which of these statements about Yellowstone National Park is true? Check all that apply?

• Past eruptions at Yellowstone were comparable in size to the 1980 explosion at Mt. St. Helens.

• It sits over an enormous magma chamber.

• Most scientists think a catastrophic eruption is imminent.

• It is an active volcano.