Volcanoes Quiz 9 (20 MCQs)

Quiz Instructions

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1. Volcanoes can form along

Correct Answer: C) The boundaries of Earth's plates.

2. All the volcanoes of Hawaiian islands are example of this type of volcano.

Correct Answer: C) Shield.

3. Which event causes a volcanic eruption?

Correct Answer: C) Explosions occurring in magma chambers.

4. What is the name of the hot liquid that erupts from the volcano?

Correct Answer: A) Lava.

5. What is a dent or depression called on a volcano?

Correct Answer: D) Crater.

6. A volcano made from alternating layers of ash and lava is called a(n) ..... volcano

Correct Answer: A) Composite.

7. Which region does NOT have a lot of volcanic activity?

Correct Answer: D) San Andreas Fault.

8. The red substance that goes out of the crater and flows the volcano is called .....

Correct Answer: C) LAVA.

9. When many layers of thin, runny lava build up a high, level area, the result is a

Correct Answer: A) Lava plateau.

10. Which part of a volcano does magma spill out of?

Correct Answer: B) Crater.

11. Magma that forces itself vertically through rock layers forms what when cooled?

Correct Answer: B) Dike.

12. Which sentence from the text best explains how a volcanic eruption can affect earth?

Correct Answer: D) Snow fell and lakes froze, even in June!.

13. These eruptions clouds can reach the stratosphere.

Correct Answer: B) Plinian eruptions.

14. What is the name of a scientist who studies volcanoes?

Correct Answer: D) Volcanologist.

15. What other geological event sometimes occurs in the same area as a volcano?

Correct Answer: C) Earthquake.

16. Molten rock inside the Earth's crust

Correct Answer: B) Magma.

17. An explosive eruption will happen when the magma is high in what?

Correct Answer: A) Silica.

18. A weak spot in the crust where molten material, or magma comes to the surface

Correct Answer: B) Volcano.

19. Composite volcanoes are also called .....

Correct Answer: B) Stratovolcanoes.

20. Where the Mount Tambora volcano is located?

Correct Answer: A) Indonesia.