Volcanoes: Earth's Fiery Forces
An 11th-grade science worksheet exploring the types, formation, and impacts of volcanoes.
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Volcanoes: Earth's Fiery Forces
Name:
Date:
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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?
Stratovolcano
Cinder Cone
Shield Volcano
Caldera
2. What is the primary driving force behind volcanic eruptions?
Gravitational pull of the moon
Buoyancy of magma
Atmospheric pressure changes
Tectonic plate friction
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.
True
False
6. The viscosity of magma is a key factor in determining the explosiveness of a volcanic eruption.
True
False
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.
Feature 1:
Significance:
Feature 2:
Significance:
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