Types of Volcanoes
A volcano that has low, sloping sides and puts out runny, fast lava flows.
What is a shield volcano?
Molten (liquid) rock beneath the earth’s surface
What is magma?
A mountain with a crater or vent through which lava, rock fragments, hot vapor, and gas erupts from the earth's crust
What is a volcano?
Large pieces of the Earth's crust that float on top of the mantle
What are tectonic plates?
A volcano that regularly erupts or shows signs of activity is called this.
What is an active volcano?
A tall volcano that has steep sides and puts out ash, dust, and small rocks.
What is a cinder cone volcano?
Molten rock flowing from the vent of a volcano during an eruption
What is lava?
The layer between the crust and the outer core of the earth
What is the mantle?
The area of the Pacific Ocean where most of the world's volcanoes are found
What is the Ring of Fire?
Hot, melted rock above the surface of volcanoes
What is lava?
A tall volcano that puts out ash, dust, rocks, hot gas, and slow-moving lava.
What is a composite volcano?
A long tube from which lava, ash, dust, and rocks come out
What is a pipe or vent?
The name of the process in which solids, liquids or gases are expelled through a vent in the earth’s surface
What is an eruption?
Hot water, heated by magma, that gushes out of the ground, such as at Yellowstone.
What is a geyser?
This is the largest shield volcano on Earth.
What is Mauna Loa?
What we call a volcano that has showed no signs of activity for thousands of years.
What is an extinct volcano?
A bowl-shaped part at the top of a volcano.
What is a crater?
This type of "flow" is one of the most destructive forces when a composite volcano erupts.
What is a pyroclastic flow?
A big wall of water that is caused by an earthquake or volcano.
What is a tsunami?
Type of black glassy volcanic rock forms when lava cools very fast such as when it falls into the ocean.
What is obsidian?
An active volcano that has not erupted for a very long time but may erupt at a future time.
What is a dormant volcano?
The area in which molten rock is found below the earth’s surface.
What is a magma chamber?
This is one of the three major categories of rock. It is formed when lava hardens and cools.
What is igneous rock?
This type of earth movement is associated with volcanoes and is monitored with a seismograph.
What is an earthquake?
Things that can come out of a volcano besides lava (name at least 3)
What are:
explosive force, gases, steam, dust, ash, rocks, tephra, and vaporized rock?