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volcanos
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| Question | Answer |
|---|---|
| element | a pure substance consisting of one type of atom |
| viscosity | a property arising from collisions between neighboring particlesthat are moving at different velocities |
| silica | A white or colorless crystalline compound, SiO2, occurring abundantly as quartz, sand, flint, agate, and many other minerals and used to manufacture a wide variety of materials, especially glass and concrete. |
| pahpehoe | Lava with a smooth ropy surface |
| aa | Lava having a rough surface. |
| compound | composed of two or more parts, elements, or ingredients |
| lava | the molten, fluid rock that issues from a volcano or volcanic vent. |
| magma | molten material beneath or within the earth's crust, from which igneous rock is formed. |
| volcanic ash | volcanic ash is formed during explosive volcanic eruptions. |
| crater | the cup-shaped depression or cavity on the surface of the earth or other heavenly body marking the orifice of a volcano. |
| vent | an opening at the earth's surface from which volcanic material, as lava, steam, or gas, is emitted. |
| pipe | |
| lava flow | |
| extinct | |
| dormant | |
| active | |
| magma chamber | |
| cinder core | |
| shiled | |
| composite | |
| subduction | |
| caldara | |
| batholith | |
| lava platue | |
| sill | |
| dike | |
| hot spring | |
| ring of fire | |
| gyser |