10 Questions
What is released from a volcano during a volcanic eruption?
Lava, ash, and pieces of solid rock
How is a volcano formed?
When hot, molten magma in the mantle layer cools and hardens
What causes an eruption in a volcano?
Pressure buildup under the Earth's crust and movement of large pieces of crust
Where do most volcanoes form?
Along lines where pieces of the Earth's crust meet
What is a volcanic pipe?
A pathway for gas and magma to escape from under the Earth's crust
What is the result of a volcano erupting forcefully from a vent and the ash falling back to surround the vent?
Cinder cone volcano
Which type of volcano has thin, runny lava that travels far from the original eruption site?
Shield volcano
What type of volcanic plateau forms when lava from an eruption is thin and flows easily over a wider area?
Volcanic plateau
Which type of eruption results from a crack in the Earth's crust allowing magma to escape without the need for a volcanic pipe or vent?
Fissure eruption
What type of volcano is Mount St. Helens an example of?
Cinder cone volcano
Learn about the formation and eruption process of volcanoes, including the release of gases, magma, lava, ash, and solid rocks. Understand how volcanoes are formed along tectonic plate boundaries and how magma is pushed towards the surface.
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