Volcanoes

Front

Which of the following is an OPINION about volcanic activity? Volcanoes are made of hardened lava, A large number of volcanoes can be found along the edge of the Pacific Ocean, The 1991 eruption of Mt. Pinatubo was the scariest volcanic event in history, Shield volcanoes can actually create new land

Back

The 1991 eruption of Mt. Pinatubo was the scariest volcanic event in history

Front

Subduction zones occur at the boundaries between: Nations, Oceans, Plains and forested lands, Tectonic plates

Back

Tectonic plates

Front

What might happen if a major volcanic eruption occurred every year? (HINT: Ash clouds...)

Back

Global temperatures might cool by several degrees

Front

Why are the eruptions of stratovolcanoes (composite volcanoes) usually more destructive than the eruptions of shield volcanoes?

Back

Magma in stratovolcanoes contains more gas

Front

The lava from a stratovolcano is VISCOUS (thick, sticky). Which image shows the most viscous substance?

Back

Front

Hotspot volcanism (Ex: Hawaiian shield volcano) is likely to be found near: The Ring of Fire., Mid-ocean ridges., Both the Ring of Fire and mid-ocean ridges., Neither the Ring of Fire nor mid-ocean ridges

Back

Neither the Ring of Fire nor mid-ocean ridges

Front

Which statement about dormant volcanoes must be TRUE?

Back

They have not erupted for a very long time.

Front

Which term best describes the landmass of Hawaii's big island?

Back

Increasing

Front

What is a major challenge to volcano preparedness?

Back

Eruptions are unpredictable.

Front

Which country lies along the Ring of Fire? Options: South Africa, Norway, Japan, Iran

Back

Japan