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Volcanoes Quiz 7 (20 MCQs)

Quiz Instructions

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1. A type of eruption where magma flows easily, thin runny lava oozes quietly from the vent
2. Which of the following volcano hazards is made up of rocky particles about the size of a grain of sand?
3. Which type of lava flow has angular, sharp pieces?
4. Hot fast moving lava
5. A volcano with mafic and felsic lava.
6. If something explodes, it
7. Volcanoes that are not currently erupting but may erupt in the future can be considered .....
8. A volcanic eruption can be either .....
9. Volcanoes are made at ..... plate boundaries and at hot spots
10. Is magma one of the main substance necessary for eruptions
11. What is the point on the Earth's surface that lies directly above the site where an earthquake occurred?
12. What is a huge hole left behind When a volcano has an enormous eruption and empties the magma chamber and the main vent. The volcano becomes hollow and collapses leaving this hole behind
13. Why are hot springs hot?
14. The hot ash, gas and rock that races down the side of a volcano is known as .....
15. This area is considered an island arc.
16. Tall, cone-shaped mountains in which layers of lava alternate with layers of ash
17. A bowl shaped area that may form at the top of a volcano around the central vent
18. These are chains of volcanoes formed by subducting plates.
19. What is part of the volcano is a long tube in the ground that connects the magma chamber to the surface
20. What do you call the opening or vent in a volcano?
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