Volcanoes and Their Features

Which of the following countries is NOT located along the Pacific Ring of Fire?

• United States

• Japan

• Indonesia

• Brazil

What is the highest point of a volcano called?

• Summit

• Slope

• Base

• Crater

How is a caldera formed?

• By the accumulation of volcanic debris

• When a part of the wall collapses after an explosive eruption

• Through the main vent

• By the hardening of magma in a crack

What is the function of a conduit in a volcano?

• It is the main opening on the surface

• It connects the magma chamber to the crater

• It forms a small cone-shaped volcano

• It stores magma before eruption

What is a parasitic cone?

• A mixture of rock, minerals, and gases

• The main vent of a volcano

• A flat piece of rock formed when magma hardens

• A small cone-shaped volcano formed by volcanic debris