| CompositeVolcano | | A long tupe that connects the magma chamber to Earth's surface. |
| Lava flow | | The resistance of a liquid to flow. |
| Silica | | A ring of volcanos around the Pacific Ocean |
| Sill | | A mountain or hill that erupts lava and gasses. |
| GeothermalActivity | | A fountain of water and steam that erupts from the ground |
| Hotspot | | An ____________ volcano is one that is unlikely to erupt again. |
| Volcanicneck | | ________________________ occurs when an ecplosive eruption hurls out a mixture of hot gases, ash, cinders, and bombs. |
| Dike | | A mass of rock that forms when a large body of magma cools inside the crust. |
| PhysicalProperty | | A substance that cannot be broken down into other substances. |
| ChemicalProperty | | Any property that produces a change in the composition of matter. |
| CinderConeVolcano | | The huge hole left by the collapse of a volcanic mountain. |
| Compound | | Forms when magma hardens in a volcano's pipe. |
| Batholith | | A ___________ volcano is one that is expected to awaken in the future and become active |
| islandarc | | Any characteristic of a substance that can be observed or measured without changing the composition of the substance. |
| ShieldVolcano | | A ______________ is the area covered by lava as it pours out of the volcano. |
| Element | | Magma after it reaches the surface |
| Vent | | Forms when magma forces itself across rock layers and hardens. |
| Pipe | | Major ingredient of magma. |
| Viscosity | | The bowl-shaped area that may form at the top of a volcano. |
| Magma | | High viscosity lava |
| Pyroclasticflow | | Fast moving hot lava that has low viscosity. |
| Extinct | | An area where material from deep within the mantle rises and melts forming magma. |
| Geyser | | A tall cone-shaped mountain that forms when layers of lava and layers of ash build up on eachother |
| Pahoehoe | | A string of volcanically created islands. |
| Dormant | | A substance mad of two or more elements that have been chemically combined. |
| MagmaChamber | | A pocket of magma beneath a volcano. |
| Volcano | | Molten rock and gas leave the volcano through an opening called a ________ |
| Lava | | When magma heats underground water. |
| Crater | | A wide gently sloping volcanic mountain. |
| RingofFire | | Forms when magma squeezes through horizontal layers of rock and hardens. |
| aa | | Lava befor it reaches the surface |
| Caldera | | A steep cone-shaped hill or small mountain. |