Volcanoes
Magma
Lava
Properties
Odd and Ends
100
This type of volcano is erupting or has shown signs that it may erupt.
What is an active volcano?
100
This is an area where magma melts through the crust in the middle of a plate.
What is hot spot?
100
This why volcanic soils are fertile.
What is they contain potassium and phosphorus?
100
This is a substance that cannot be broken down into other substances.
What is an element?
100
This is a weak spot in the crust where magma comes through.
What is a volcano?
200
This type of volcano is a wide, gently sloping mountain made of hardened layers of low-silica lava.
What is a shield volcano?
200
Inside a volcano, magma collects in this pocket.
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 a __ .
What is a lava plateau?
200
A substance ability to burn is an example of ___ .
What is chemical property?
200
This is hot water and steam that erupts from the ground.
What is a geyser?
300
This is a belt of volcanoes around the rim of the Pacific Ocean.
What is The Ring of Fire?
300
Liquid magma flows upward through the crust because it is __ dense than the solid material around it.
What is less?
300
This is a volcano that is erupting now or showing signs that it will in the future.
What is an active volcano?
300
This is the molten mixture of rock-forming substances, gases, and water deep in Earth's mantle.
What is magma?
300
This forms when the top of mountain collapses.
What is a caldera?
400
These volcanoes are tall, cone-shaped mountains in which layers of lava alternate with layers of ash.
What is a composite volcano?
400
A ___ is a mass of rock that formed when a large body of magma cooled inside Earth's crust.
What is batholith?
400
This forms when magma hardens in a volcano's pipe and is later exposed.
What is a volcanic neck?
400
This is the type eruption that pahoehoe and aa are produced in.
What is quiet eruptions?
400
This is energy derived from water that has been heated by magma underground.
What is geothermal energy?
500
In this type of volcano, lava flows gradually and builds a wide, gently sloping mountain.
What is a shield volcano?
500
The more ___ that magma contains, the thicker the magma is.
What is silica?
500
List three physical properties of magma from an explosive eruption.
What is thick and sticky, high viscosity, and high in silica?
500
A ___ is any characteristic of a substance that can be observed or measured without changing the composition of the substance.
What is physical property?
500
This is three things that are only produced in explosive eruptions.
What is ash, cinders, and bombs?
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