Exploring the World of Volcanoes

The video explores the history, formation, and impact of volcanoes. It begins with myths and legends, then explains how volcanoes form and erupt. The 1980 eruption of Mount St. Helens is detailed, highlighting its destructive power. The video discusses the relationship between volcanoes and tectonic plates, including the Ring of Fire and Hawaiian Islands. Different types of volcanoes are described, such as shield, cinder cone, stratovolcano, and dome volcanoes. Finally, it covers the dual role of volcanoes in destruction and land renewal.

Who did the early Romans worship as their god of fire?

• Jupiter

• Neptune

• Vulcan

• Mars

What is magma that reaches the Earth's surface called?

• Core

• Lava

• Mantle

• Crust

What was the energy equivalent of the 1980 eruption of Mount St. Helens?

• 1 million tons of dynamite

• 100 million tons of dynamite

• 1 billion tons of dynamite

• 10 million tons of dynamite

What year was the Mount St. Helens National Volcanic Monument dedicated?

• 1986

• 1984

• 1982

• 1980

What is the name of the volcano that formed in 1963 near Iceland?

• Vesuvius

• Krakatoa

• Mauna Loa

• Surtsey

Where do most of the world's volcanoes erupt?

• In polar regions

• Along coastlines

• Where two plates meet

• In deserts

What type of lava forms smooth, billowy surfaces?

• Basaltic

• Andesitic

• Pahoehoe

• Aha

What type of volcano has a broad, gentle slope?

• Dome volcano

• Stratovolcano

• Cinder cone volcano

• Shield volcano

What happens to a dome volcano before it explodes?

• It shrinks

• It cools down

• It gets plugged with hardened lava

• It splits open

What is Crater Lake formed from?

• A meteor impact

• An earthquake

• A glacier melt

• A collapsed volcano