Volcanoes: Earth's Fiery Vents
Explore the science behind volcanoes, including their types, formation, and impact on Earth's geology.
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Volcanoes: Earth's Fiery Vents
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which type of volcano is characterized by broad, gently sloping sides and is formed by layers of fluid lava flows?
Stratovolcano
Cinder Cone
Shield Volcano
Caldera
2. The 'Ring of Fire' is a major area in the basin of the Pacific Ocean where many earthquakes and volcanic eruptions occur. This is primarily due to:
The presence of hot spots
The movement of tectonic plates
High atmospheric pressure
Oceanic currents
3. Molten rock beneath the Earth's surface is called , while molten rock that erupts onto the surface is known as .
4. A volcano is built from alternating layers of lava and ash, resulting in a steep, conical shape.
5. Describe the process of subduction and explain its role in the formation of volcanoes along convergent plate boundaries.
6. Label the following parts of the volcano using the provided illustration:
A. (Magma Chamber)
B. (Vent)
C. (Crater)
D. (Lava Flow)
E. (Ash Cloud)
7. All volcanic eruptions are explosive and violent.
True
False
8. Hot spot volcanoes typically form far from plate boundaries.
True
False