AY Honor Volcanoes Answer Key

Volcanoes

Skill Level

2

Year

2025

Version

09.12.2025

Approval authority

South American Division

1

What is volcanism? Illustrate the natural cycle of volcanoes.

2

Draw a diagram of the anatomy of a volcano.

3

What is the relationship between volcanism and plate tectonics?

4

Define the following terms:

4a

Magma

4b

Lava

4c

Hotspot

4d

Pyroclastic flow

4e

Igneous rock

4f

Xenolith

4g

Dike

4h

Stratovolcanoes

4i

Shield volcanoes

4j

Caldera

4k

Plug

4l

Lahar

4m

Ring of fire

5

What are the three main categories of lava and their characteristics?

6

How are volcanic islands formed?

7

What is obsidian? Why is it not considered a mineral?

8

Why can a volcano become explosive?

9

How can volcanoes be beneficial to nature and to humans?

10

What are the parameters for predicting a volcanic eruption?

11

What is the largest volcano in the world? What is the largest volcano in the solar system?

12

Choose 10 volcanoes, including at least three that are on your continent, and list the following information about them:

12a

Name

12b

Picture

12c

Location

12d

Size

12e

Last eruption

References