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science study stack
| Question | Answer |
|---|---|
| element | A substance that cannot be broken down into other substances |
| viscosity | The resistance of a liquid to flowing |
| silica | A material found in magma that is formed from the elements oxygen and silicon |
| pahoehoe | A hot, fast-moving type of lava that hardens to form smooth, ropelike coils |
| aa | A slow-moving type of lava that hardens to form rough chunks; cooler than pahoehoe |
| compound | The process by which sediments are pressed together under their own weight |
| lava | Liquid magma that reaches the surface; also, the rock formed when liquid lava hardens |
| magma | The molten mixture of rock-forming substances, gases, and water from the mantle |
| shield volcano | A wide, gently sloping mountain made of layers of lava and formed by quiet eruptions |
| cinder cone volcano | A steep, cone-shaped hill or small mountain made of volcanic ash, cinders, and bombs piled up around a volcano’s opening |
| composite | A tall cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials |
| crater | A bowl-shaped area that forms around a volcano’s central opening |
| calder | The large hole at the top of a volcano formed when the roof of a volcano’s magma chamber collapses |
| batholith | A mass of rock formed when a large body of magma cools inside the crust |
| lava plateam | lava plateam is a plateam from lava |
| still | when magma squeezes between horizontal layers of rock |
| dike | A slab of volcanic rock formed when magma forces itself across rock layers |
| vent | The opening through which molten rock and gas leave a volcano |
| pipe | A long tube through which magma moves from the magma chamber to Earth’s surface |
| hot spring | it forms when groundwater is heated nearby body of magma or hot rock deep underground |
| ring of fire | A major belt of volcanoes that rims the Pacific Ocean |
| lava flow | The area covered by lava as it pours out of a volcano’s vent |
| magma chamber | The pocket beneath a volcano where magma collects |
| geyser | A fountain of water and steam that builds up pressure underground and erupts at regular intervals |
| volcanic ash | crushed up rock from volcanoes which turns into volcanic ash |
| dormant | A volcano that is not currently active, but may become active in the future |
| active | a volcano that is errupting or has shown signs or further erruption |
| extinct | A volcano that is no longer active and is unlikely to erupt again |
| subduction | The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary |
Created by:
1968660744
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