Volcanoes: Earth's Fiery Forces

Volcanoes: Earth's Fiery Forces

Read each question carefully and provide your best answer. Refer to your knowledge of Earth Science and volcanoes.

1. Which type of volcano is characterized by broad, gently sloping sides and is built by successive flows of fluid basaltic lava?

2. What is the primary driving force behind volcanic eruptions?

3. The Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. It is associated with a series of   zones.

4. Volcanic ash, when mixed with water, can form dangerous mudflows called  .

5. A dormant volcano is one that has not erupted in a very long time but is still capable of erupting.

6. The viscosity of magma is a key factor in determining the explosiveness of a volcanic eruption.

7. Describe the process of subduction and its role in the formation of volcanoes at convergent plate boundaries.

8. Examine the diagram of the volcano cross-section below. Identify and label two distinct features, explaining their function or significance in a volcanic system.