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Volcanoes Quiz 20 (20 MCQs)

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1. A volcano with a broad base and gently sloping sides is called a ..... volcano.
2. About how many years does it take for a volcano to form?
3. Taal volcano erupted in the year 1965 due to contact of water and hot rocks. How can this volcanic eruption be classified?
4. The Ring of Fire has about ..... % of the world's active volcanoes.
5. Volcanoes that are NOT found at plate boundaries occur in the middle of plates in areas called .....
6. Eruptions driven by bursting gas bubbles within the magma.
7. Which of these may indicate that a volcano will erupt?
8. This type of volcano is built by layers and layers of lava
9. A shield volcano is made from .....
10. ..... volcanoes are formed from fast flowing, basaltic lava which flows easily over the surface, forming larger and wider volcanoes.
11. What is the main idea of the entire passage?
12. A small volcano with steep sides.
13. A type of eruption where magma flows easily with a low viscosity is a
14. What famous volcano exploded in 1980 in Washington state?
15. ..... volcanoes are no longer connected to a source of magma.
16. What is molten rock that has formed deep within the Earth?
17. A local place is
18. What kind of volcano is made of alternating layers of lava and tephra/pyroclastics?
19. Cool, slow moving lava
20. A dormant volcano has .....
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