Term
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Definition
| A geyser is a fountain of water and steam that erupts from the ground. |
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Term
What does it mean if the volcano is said to be dormant?
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Definition
| When the volcano is not active and/or not extinct. It may become active again in the future. |
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Term
| What is groundwater heated by magma that rises to the surface and collects in a natural pool called? |
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Definition
| It is called a hot spring. |
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Term
| In volcanic areas, groundwater heated by magma is considered what type of evergy source? |
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Definition
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Term
| Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called what? |
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Definition
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Term
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Definition
| A huge hole left by a collapse of a volcanic mountain. |
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Term
| Which type of landform is created when many layers of thin, runny lava build up on a high, level area? |
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Definition
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Term
| What is a composite volcano? |
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Definition
| A tall, steep sided volcanic mountain that has alternating layers of lava and ash. |
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Term
| What is formed when magma squeezes between horizantal layers of rock? |
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Definition
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Term
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Definition
| A mass of rock formed when a large body of magma cools inside the crust. |
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Term
| What landform is created when rising magma, blocked by layers of rock force the layers of rock to bend upward? |
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Definition
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Term
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Definition
| A volcanic belt that rims the Pacific Ocean. |
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Term
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Definition
| A substance that can't be broken down into another substance. |
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Term
| Name the chemical properties. |
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Definition
| Ability to change, ability to burn, ability to form into new solid material, ability to produce gas, and ability to bombine and react with other substances. |
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Term
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Definition
| When magma cools inside a volcano's pipe and over time the soft outer rock is eroded away. |
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Term
| The 3 types of fragment that can be thrown form a volcano. |
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Definition
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Term
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Definition
| An explosive eruption with ash, bombs, cinders and gases that are thrown out of the volcano. |
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Term
| The 3 phrases of a volcano. |
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Definition
Extinct- unlikely to ever erupt again
Dormant- no longer erupting or showing signs of erupting, but could erupt in near future
Active- erupting or showing signs of erupting |
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Term
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Definition
| A pocket beneath the crust where the magma collects. |
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Term
| Why are volcanic soils so fertile? |
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Definition
| When the ash breaks down, it has phosphorus and pottasium. |
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Term
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Definition
| The resistance of a liquid to flowing. |
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Term
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Definition
| A landform created when contious layers of runny, thin lava. |
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Term
| The 2 uses for geothermal energy. |
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Definition
| To generate electricity, and hot water for heating. |
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Term
| What deterines whether a volcano has an explosive or quiet eruption? |
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Definition
| The viscosity and silica content |
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Term
| The 3 factors which affect the consistency of a volcano's lava flow. |
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Definition
| Viscosity, silica, and temperature. |
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