Volcanoes Video Sci7

What is typically added to demonstrate a volcanic eruption in classroom experiments?

• Sodium bicarbonate

• Water

• Hydrochloric acid

• Calcium carbonate

Which volcano famously erupted in 1980 in the Pacific Northwest of North America?

• Mount Kilimanjaro

• Mount Vesuvius

• Mount St. Helens

• Mount Fuji

What natural process is responsible for the formation of new islands?

• Volcanic activity

• Glacial movements

• Erosion

• Sediment deposition

What is the primary gas found in volcanic eruptions that is also common in soda?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

What type of volcanic activity forms the Hawaiian Islands?

• Shield volcanoes

• Stratovolcanoes

• Composite volcanoes

• Cinder cone volcanoes

What is the name of the large bowl-shaped feature formed at the top of a volcano after it stops erupting?

• Crater

• Caldera

• Vent

• Basin

Which type of volcano is characterized by explosive eruptions and tall, flat tops?

• Lava dome

• Composite volcano

• Shield volcano

• Cinder cone

What geological feature is formed by the cooling of lava at the surface?

• Canyon

• Mountain

• Plateau

• Lava tube

Which type of volcano is built from layers of lava flows and ash?

• Cinder cone

• Composite volcano

• Lava dome

• Shield volcano

What is the term for a volcano that has not erupted in a very long time but might still erupt?

• Extinct

• Dormant

• Active

• Dead