Types of Volcanoes
A volcano that has low, sloping sides and puts out runny, fast lava flows.
What is a shield volcano?
Molten rock under the ground
What is magma?
Melted is a synonym for this word.
What is molten?
Large pieces of the Earth's crust that float on top of the mantle
What are tectonic plates?
Hot melted rock that comes from volcanoes
What is lava or magma?
A tall volcano that has steep sides and puts out ash, dust, and small rocks.
What is a cinder cone volcano?
Molten rock outside of the volcano.
What is lava?
The area of the Pacific Ocean where most of the world's volcanoes are found
What is the Ring of Fire?
Type of black glassy volcanic rock forms when lava cools very fast such as when it falls into the ocean.
What is obsidian?
This is the largest shield volcano on Earth.
What is Mauna Loa?
A tall volcano that puts out ash, dust, rocks, hot gas, and slow-moving lava.
What is a composite volcano?
Things that can come out of a volcano besides lava...name at least 3.
What can be: explosive force, gases, steam, dust, ash, rocks, and vaporized rock?
Hot water, heated by magma, that gushes out of the ground such as at Yellowstone.
What is a geyser?
This type of earth movement is associated with volcanoes and is monitored with a seismograph.
What is an earthquake
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?
Hawaii is considered a string of islands called an _________ ____, and its volcanic activity is due to sitting on top of a _____ ________.
What is island arc, hot spot
Type of bowl shaped, often underground, volcano that rarely erupts, but when it does, it is so large that it impacts entire continents and earth's climate.
For an extra 500pts. name an example.
What is a caldera?
The Yellowstone caldera
A long tube in the volcano - lava, ash, dust, and rocks come out of it
What is a pipe or vent?
This is one of the three major categories of rock. It is formed when lava hardens and cools.
What is igneous rock?
Volcanoes can be formed at this type of boundary where an oceanic plate subducts under a continental plate.
What is a convergent plate boundary.