A molten mixture of rock-forming substances, gases, and water form the mantle
Ring of Fire
A major volcanic belt formed by the many volcanoes that rim the Pacific Ocean
An area where material from deep within a mantle in the middle of a plate that rises and then melts
A substance that cannot be broken down into other substances.
Any characteristics of a substance that can be observed or measured without changing the composition of the substance
Any property that produces a change in the composition of matter
"Magma is high in silica" is which type of property of matter?
"Magma is high in viscosity" is which type of property of matter?
Fast-moving, hot lava that has low viscosity
Slow-moving, cooler lava that has high viscosity
A volcano that is erupting or has shown signs that it may erupt in the future is called _____.
Layers of thin, runny lava that flow over a wide area before they cool and harden can build up a ______.
This is the mixture of hot gases, ash, cinders, and bombs.
A wide, gently sloping mountain made of hardened layers of low-silica lava
A substance's ability to burn is an example of a ____.
A ____ forms when magma hardens in a volcano's pip and is later exposed
______ eruptions produce both pahoehoe and aa.
A mass of rock that formed when a large body of magma cooled inside Earth's crust
This is where magma collects in a pocket of a volcano.
This is the type of viscosity that pahoehoe has.
This is the type of viscosity that aa has.
This is the type of temperature that pahoehoe has.
This is the type of temperature that aa has.
This is the type of silica content aa has.
This is the type of silica content pahoehoe has.
These are tall, cone-shaped mountains in which layers of lava alternate with layers of ash.