Layers of the Earth and Volcanoes

Flashcards covering the key concepts of the layers of the Earth and the classification and nature of volcanoes.

What are the three types of volcano activity classifications?

1. Active - Has erupted within 10,000 years. 2. Inactive/Dormant - Hasn't erupted when expected. 3. Extinct - No signs of geological activities.

What is a volcano?

A rupture/opening in Earth's crust that releases lava, ash, rocks, and hot gases.

What is the definition of an Active volcano?

A volcano that has erupted within the last 10,000 years.

What describes an Inactive/Dormant volcano?

A volcano that hasn't erupted when expected.

What characterizes an Extinct volcano?

A volcano with no signs of geological activities and no lava supply.

What elements are released during a volcanic eruption?

Lava, ash, rocks, and hot gases.

What are the layers of a volcano?

Lava layer, ash layer, and magma chamber.