Volcanoes and Magma

The video explains the difference between lava and magma, highlighting magma as the lifeblood of volcanoes. It describes the intense conditions inside a magma chamber, including high temperatures and the presence of gases that can trigger eruptions. The video also explores the source of magma in the Earth's mantle and provides information about the Curiosity series on Discovery Channel.

What is the term used for melted rock below the Earth's surface?

• Basalt

• Lava

• Granite

• Magma

What is the temperature inside a magma chamber?

• 1300°

• 800°

• 500°

• 2000°

What is the size of some magma chambers?

• 100 square miles

• 1000 square miles

• 500 square miles

• 1500 square miles

What triggers eruptions in a volcano?

• Earthquakes

• Stable gases

• Unstable gases

• Solidified magma

Where does the melting of magma begin?

• Crust

• Core

• Mantle

• Surface