11 Questions
What is the main difference between magma and lava?
Magma is found inside the Earth, while lava is on the surface
Which type of volcano is characterized by gentle sloping sides and is formed by non-explosive eruptions?
Shield volcanoes
What is a vent in the context of volcanoes?
The entrance of a volcano that ejects lava and ash
Which of the following is NOT a characteristic of active volcanoes?
Their volcanic activity will last forever
What is a volcanic neck?
The solid remains of magma that filled the conduit of an extinct volcano
Which type of volcano is characterized by a small mountain with a slope of 20°-40°?
Cinder cone volcanoes
What causes the Earth's crust to break up into different plates or pieces?
Tectonic plate movement
What is the primary characteristic of a volcano?
A cone-shaped mountain or hill
What is the purpose of the vent in a volcano?
To release magma and associated gases, pyroclastic material, and ash
What is the purpose of the magma chamber in a volcano?
To store the molten rock that will eventually erupt
What is the purpose of the conduit in a volcano?
To provide a pathway for the magma to reach the surface
Learn about the Earth's crust and how it leads to the formation of volcanoes. Explore the characteristics of volcanoes, including their cone-shaped structure, magma eruptions, and gas releases.
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