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Volcanoes & Plate Tectonics
Volcanic Activity
Volcanic Landforms
Volcanoes in the Solar System
Volcanoes Miscellaneous
100
This is a weak spot in the crust where molten material, or magma, comes to the surface.
What is a volcano?
100
Liquid magma flows upward surrounding solid material because it is this.
What is less dense?
100
This type of volcano is formed from lava that gradually flows building a wide, gently sloping mountain.
What is a shield volcano?
100
Craters on the Earth's moon was formed by these.
What are meteorites?
100
This type of volcano is one that is erupting or has shown signs that it may erupt in hte near future.
What is active?
200
This is the molten mixture of rock-forming substances, gases, and water from the mantle.
What is magma?
200
Magma collects in this.
What is a magma chamber?
200
Layers of thin, runny lava that flow over a wide area before they cool and harden can build up this.
What is a lava plateau?
200
This is the biggest volcano on Mars and in the whole solar system.
What is Olympus Mons?
200
A geyser is a fountain of ____________ and ___________ that erupts from the ground.
What is water and steam?
300
One major volcanic belt that was formed by the many volcanoes that rim the Pacific Ocean.
What is the Ring of Fire?
300
This determines the thickness of lava.
What is the amount of silica?
300
A huge ___________ is left by the collapse of a volcanic mountain is called a caldera.
What is a hole?
300
On Io (the moon of the planet Jupiter), has volcanoes that erupt this material (not lava).
What is sulfur?
300
This type of energy is from using the heat from the magma underground and piping heated water into homes for warmth.
What is geothermal energy?
400
An area where magma from deep within the mantle melts through the crust like a blow torch.
What is a hot spot?
400
_____________ eruptions produce two different types of lava, pahoehoe and aa.
What is quiet?
400
Volcanic soils are rich and fertile because they contain these two materials.
What is potassium and phosphorus?
400
The moon of Neptune, Triton, is made up mostly of this gas.
What is nitrogen?
400
A mass of rock formed when a large body of magma cools inside the crust.
What is a batholith?
500
A string of volcanoes is called this.
What is an Island Arc?
500
This flow happens when an explosive eruptuion hurls out ash, cinders, and bombs as well as gases.
What is pyroclastic?
500
This forms when magma hardens in a volcano's pipe.
What is a volcanic neck?
500
Like Earth, Venus has ____________ ____________ and other features that are probably made of thin, runny lava.
What are volcanic mountains?
500
In explosive eruptions, the trapped ___________ build up pressure until they explode.
What are gases?