Science 6 Chapter 1 Volcanoes Review

Vocabulary flashcards covering volcanic terminology, volcano types, and eruption characteristics based on Chapter 1.

Volcanologists

Scientists who study volcanoes

Pyroclastic flow

Avalanche-like emission of red-hot dust and gases

Lava

Magma that breaks the earth's surface

Ring of Fire

Area around the Pacific Ocean where volcanoes occur most

Tephra

Mixture of cinders, ash, and rock discharged by a volcano

Hot spring

Water heated by hot magma

Vog

Volcanic fog

Debris flow

Mud and rock fragments that surge down a mountain when part of it collapses

Extinct volcano

A volcano that has not erupted in the past and is not expected to erupt in the future

Active volcano

A volcano that is expected to erupt

Dormant volcano

A volcano that has erupted in the past, is currently inactive, and is not expected to erupt again

Active shield volcano

A large, gradually sloping volcano that has mild eruptions and a continuous flow of lava

Dormant composite cone volcano

A large volcano that seems to be layered, signifying that different types of lava flows have occurred in the past, but the volcano is presently inactive

Geyser and mud pot

Two features that are both hot springs