10 Questions
What is the primary reason for an explosive eruption?
Buildup of gas under viscous, slow-flowing and thick magma
Which of the following is NOT a characteristic of an active volcano?
Reduced size of the volcano
What type of volcanic eruption is described as a 'glowing avalanche'?
Pyroclastic flow eruption
What is a characteristic of a fissure or quiet eruption?
Emission of a large amount of lava from a fracture or fissure
Which of the following is NOT a characteristic of an inactive volcano?
Geysers
What is the primary cause of volcanic activity?
Converging or diverging tectonic plates
Which type of volcano is characterized by a steep, conical shape made of pyroclastic material?
Cinder cone volcano
What distinguishes a composite volcano from other types?
It consists of layers of hardened lava, tephra, and ash
Which type of volcano is built primarily from fluid lava flows?
Shield volcano
Where are volcanoes commonly found?
Along tectonic plate boundaries and hotspots
Explore the different types of volcanoes and understand how they form on Earth's surface. Learn about the characteristics of volcanoes, including the materials ejected during eruptions and the geological processes that lead to their formation.
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