Volcano

Which theory helped scientists understand how and where volcanoes erupt?

• Theory of Plate Tectonics

• Theory or Relativity

• Theory of the Rock Cycle

• Big Bang Theory

Which type of volcano is built by alternating layers of lava flows and ash flows? It can

be very explosive.

• Cinder Cone

• Composite

• Lava Dome

• Shield

Which type of volcano has steep angled sides, throws blobs of lava in the air that fall as cinders, and is built over a short period of time?

• Cinder Cone

• Composite

• Lava Dome

• Shield

Which type of volcano if found in the Hawaiian Islands with thick flowing, slow moving lava? This is the most common type of volcano on earth.

• Cinder Cone

• Composite

• Lava Dome

• Shield

Which type of volcano spills thick lava which cools and piles up around the vent? These fragments spill down the sides of the volcano.

• Cinder Cone

• Composite

• Lava Dome

• Shield

Which type of volcano is currently resting, but could erupt sometime in the future?

• Active

• Dormant

• Extinct

• All of the above

The weak point in the Earth’s crust where hot magma rises and reaches the earth’s

surface is call the __________.

• Crater

• Magma Chamber

• Main Vent

• Secondary Cone

An active volcanic area on earth is found at_______.

• Diverging Boundaries

• Converging Boundaries

• Hot Spots

• All of the above

What is the active volcano area around the Pacific Rim called?

• Hot Spots

• Pacific Ocean

• Ring of Fire

• Hawaii

Magma is found above the earth surface?

• True

• False