Volcano Worksheet and Quiz

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Volcano can be defined as a mountain that opens downward to a pool of molten rock. It erupts when the pressure builds up. The word volcano has been derived from the name of the Roman god of fire, Vulcan. Volcano can be found on the ocean floor and even under icecaps.

NAME: …………………………………………

Date: …………………………….

Questions:

1. …………………………………….. is the type of lava that only occurs under water.

2. If a volcano has not erupted in recorded history then it is known as a ………………………………….

3. Three different types of volcanoes are ………………………….., ……………………….. and ………………………

4. ………………………………………………………. is a region that contains the largest number of active volcanoes in the world.

5. A destructive eruption of ………………………………………………… buried the ancient town of Pompeii in Italy.

6. …………………………….. is created after a catastrophic eruption of a super volcano.

7. The opening in the top of a volcano is known as a …………………………………

8. The hot rock under the earth’s surface is known as …………………………..

9. ……………………………………. is a geologic phenomenon that causes the deadliest volcanoes to occur.

10. Around 10 percent of the earth’s active volcanoes can be found in ……………………

Answers:

1. Pillow Lava2. Dormant volcano

3. Strato, Shield and Dome

4. The Ring of Fire

5. Mount Vesuvius

6. A Caldera

7. Crater

8. Magma

9. Subduction

10. Japan