Volcanoes

Most active volcano on earth?

• Kilimanjaro
• Mount Fuji
• Kilauea
• Mount St. Helens

What happens when molten rock meets seawater?

• Molten rock creates a tidal wave that floods the area.
• Seawater freezes instantly upon contact with molten rock.
• Molten rock sinks into the ocean without any reaction.
• Molten rock rapidly vaporizes seawater, causing super heated steam.

When dormant volcanoes explode, they can also unleash?

Mark all that apply!!!!!

• tsunamis

• mudflows

• avalanches

• super heated ask clouds

• tornados

What volcano near Naples, Italy is one of the most dangerous in the world?

• Mount Etna
• Mount St. Helens
• Kilauea
• Mount Vesuvius

What does a spectrometer do?

• A spectrometer measures temperature variations.
• A spectrometer generates sound waves for analysis.
• A spectrometer captures images of celestial bodies.
• A spectrometer measures volcanic gases.

Match the tiles with the correct phrase, answer or question.

• 1980

• Mt. St. Helens eruption killed how many people?

• 57

• Mt. Unzen in Japan erupts.

• 600

• Mt. Pinatubo erupted in 1991. It was dormant for ____ years before that.

• 1991

• Mt. Saint Helens erupts.

• Inonesia

• Most dangerous section of the Ring of Fire.

The Mt. St. Helens eruption was this many times more powerful than an atomic bomb!

• 150

• 1000
• 250
• 100

How many volcanoes are by Indonesia?

• Approximately 130 active volcanoes
• Approximately 80 active volcanoes
• Over 200 active volcanoes
• About 50 active volcanoes