Volcanoes Quiz

What event happens when there is a sudden, violent shaking of tectonic plates?

• earthquake

• volcano

• thunderstorm

What seismic waves are the slowest and most destructive?

• Surface Waves

• Secondary (S waves)

• Primary (P waves)

• seismic

The instrument that records and measures earthquake's seismic waves is called a ____________________.

• seismograph

• seismogram

What is another name for magma that has reached Earth's surface?

• Vent

• Dust

• Ash

• Lava

People can control and stop volcanoes from erupting.

• True

• False

What type of volcano is Mt. St. Helens?

• shield
• composite
• cinder cone
• active

Beneath a volcano, magma collects in a:

• magma chamber
• magma pocket
• vent
• hole

Which volcano is best known for steep slopes, high elevation, and the potential for explosive eruptions?

• Cinder cone volcano

• Composite volcano

• Shield volcano

• Exploding volcano

When a volcano empties its magma chamber and the top collapses inward, what forms as a result?

• Bigger magma chamber

• Vent

• Caldera

What kind of volcano is this?

• Stratovolcano

• Shield volcano

• Cinder cone volcano