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14 Cards in this Set
- Front
- Back
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Volcano |
A volcano is a weak spot in the crust wheremolten material, or magma, comes to the surface. |
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Magma |
Magma is amolten mixture of rock-forming substances, gases, and waterfrom the mantle. |
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Lava |
When magma reaches the surface, it is calledlava. |
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Ring of fire |
One major volcanic beltis the Ring of Fire. |
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Island Arc |
The resulting volcanoes create a string of islands called anisland arc. |
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Hot spot |
Ahot spot is an area where material from deep within the mantlerises and then melts |
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Element |
An element is a substance that cannot bebroken down into other substances. |
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compound |
A compound is a substancemade of two or more elements that have been chemically combined. |
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Physical Property |
A physical property is any characteristicof a substance that can be observed or measured withoutchanging the composition of the substance. |
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Chemical Property |
A chemical property is any propertythat produces a change in the composition of matter. |
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Viscisoty |
viscosity is the resistance of a liquid to flowing. |
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Silica |
silica is made up of particles of the elements oxygenand silicon. |
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Pahoehoe |
Pahoehoe is fast-moving, hot lava that has low viscosity. |
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aa |
Lava that iscooler and slower-moving is called aa |
