Rock Formations
This can form amazing rock formations.
What is lava flows?
This is hurled into the air during an eruption of a volcano.
What is red-hot lava?
An example of an explosive volcano
What is Mount St. Helens?
Powerful eruptions emit this into the atmosphere.
What is gas and dust?
What is plat life?
Volcanic rocks that split into columns as the lava cools
What are columnar rocks
This volcano is located on an island off the coast of Southern Italy.
What is Stromboli?
Mount St. Helens is located here.
What is Washington?
Volcanic material reduces average temperatures by doing this.
What is filtering out sunlight that warms the earth?
These plants appear first on lava.
What is lichen and moss?
An example of a columnar rock in Wyoming
What is the Devil's Tower?
This is what makes the Stromboli volcano unique.
What is continuous eruptive activity over a period of more than a few years?
Danger posed by explosive volcanoes to human communities.
What is debris that can cover human communities?
This is a bowl-shaped depression around the opening of an extinct or dormant volcano.
What is a crater lake?
What is grass and larger plants?
An example of columnar rock in Northern Ireland
What is Giant's Causeway
The Hawaiian Islands are this.
What is the tops of volcanic mountains?
Explosive volcanoes release this into the sky.
What are clouds of ash and fumes?
An eruption does this to water in the crater.
What is hurl?
As the upper surface of rock is gradually weathered, and the roots of plants break it down, this is what lava rock becomes.
What is soil?
The cause of Giant's Causeway.
What is lava flow that erupted millions of years ago.
This is the newest island in Hawaii that is being formed by the Pacific Plate moving over a stationary plume.
What is Loihi?
A hazard of volcanic gases.
During an eruption near a crater lake this danger can occur.
What is water mixing with hot rock and debris to create a deadly mudslide?
After many generations this may happen to the land.
What is become lush and fertile again?