Volcano Thursday

How do scientists know if a volcano is dormant?

• It has not erupted recently, but still has magma

• It has not erupted recently, but no longer has magma

• It has currently erupted.

What Roman god are volcanoes named after?

• Jupiter

• Saturn

• Vulcan

• Mercury

What are lahars?

• Mudflows

• Some random dude

• Lava flows

• Expelled igneous rocks

What kind of volcano has slow, gentle eruptions?

• Shield

• Cinder cone

• Stratovolcano

• Lava dome

Which kind of plate boundary can be a subduction zone?

• Divergent

• Transform

• Convergent

Which of the following is NOT a kind of magma/lava?

• Mafic

• Felsic

• Intermediate

• Epsilon

Where are extrusive igneous rocks formed?

• On Earth's surface

• Below Earth's surface

• In space

Where are intrusive igneous rocks formed?

• On Earth's surface

• Underneath Earth's surface

• Space