Volcanoes

Question 1

What is a volcano?

Answer 1

A volcano is an opening in the Earth’s crust through which molten rock, ash, and gases are expelled.

Question 2

True or False: All volcanoes are active.

Answer 2

False

Question 3

Fill in the blank: The molten rock that erupts from a volcano is called _____ when it is above ground.

Answer 3

lava

Question 4

What is the term for a volcano that has not erupted in a long time but may erupt again?

Answer 4

Dormant volcano

Question 5

What is the primary gas released during a volcanic eruption?

Answer 5

Water vapor

Question 6

True or False: The Ring of Fire is a region known for its high volcanic activity.

Answer 6

True

Question 7

Short Answer: What is the term for the opening at the top of a volcano?

Answer 7

Crater

Question 8

Fill in the blank: The study of volcanoes is known as _____ science.

Answer 8

volcanology

Question 9

Multiple Choice: Which of the following is NOT a volcanic hazard? A) Lava flows B) Tsunamis C) Ash fall

Answer 9

B) Tsunamis

Question 10

True or False: Volcanic ash can be harmful to aircraft engines.

Answer 10

True

Question 11

Short Answer: What is the name of the liquid rock beneath the Earth’s surface?

Answer 11

Magma

Question 12

What is the main cause of volcanic eruptions?

Answer 12

The movement of tectonic plates.

Question 13

Multiple Choice: Which volcano is known for its eruption in 1980? A) Mount Fuji B) Mount St. Helens C) Mount Vesuvius

Answer 13

B) Mount St. Helens

Question 14

What’s a pyroclast

Answer 14

A fragment that gets shot out during an explosion

Question 15

Short Answer: What is the difference between magma and lava?

Answer 15

Magma is underground; lava is above ground.

Question 16

How do volcanoes happen

Answer 16

Constructive plate boundaries, destructive plate boundaries, and when crusts split at hot spots

Question 17

Whats an example of a volcano

Answer 17

Mount Fuji, Japan

Question 18

Whats formed when lava cools

Answer 18

Basalt rock

Question 19

What’s an example of a plateau

Answer 19

The Antrim plateau/ giants causeway

Question 20

What’s an example of a cone shaped mountain

Answer 20

Mount st Helens

Question 21

What’s an example of a shield-shaped volcanic cone

Answer 21

Hawaiian Islands

Question 22

Name three positive effects of volcanic activity

Answer 22

Economic impact: tourism, environmental: creates fertile land, environmental: geothermal heating

Question 23

Name three negative impacts of volcanic activity

Answer 23

Social: loss of life, economic: disruption in flights, environmental: Lahar