Term
| What is the difference between Lava & Magma? |
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Definition
| Lava is on the surface, magma is underground |
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Term
| One major volcanic belt is....... |
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Definition
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Term
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Definition
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Term
| The viscosity of magma depends on two things |
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Definition
| Silican Content & Temperature |
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Term
| Lava that cuts across rock layers hardens to form a feature called a |
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Definition
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Term
| A volcanic mountain made up of volcanic ash, cinders and bombs is called a |
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Definition
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Term
| Geologists classify volcanic eruptions as _____ or ______. |
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Definition
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Term
| A _____________ forms when magam hardens in a volcanos pipe. |
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Definition
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Term
| Large Rock masses called ____ form the core of many mountain ranges. |
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Definition
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Term
| What are 3 main types of Volcanos? |
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Definition
| Shield, Cinder Cone, Composite |
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Term
| Large rock masses called ___ form the core of many mountain ranges. |
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Definition
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Term
| What are 3 main types of volcanoes? |
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Definition
| Shield, Cinder Bone, Composite |
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Term
| Fast Moving hot lava has a ___ viscosity and is called ____. |
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Definition
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Term
| Slower moving lava that is cool has a ____ viscosity is called ____. |
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Definition
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Term
| Give one example of an eleemnt |
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Definition
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Term
| Give one example of a compund? |
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Definition
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Term
| Converge means to _____ together. |
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Definition
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Term
| Diverge means to ____ apart. |
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Definition
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Term
| There are about ____ active Volcanoes on land. |
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Definition
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Term
| The curve of a ____ is just like the curve of its deep-ocean trench. |
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Definition
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Term
| A ____ forms above a hot spot when magam erupts through the crust and reaches the surface. |
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Definition
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Term
| A ____ is an area where material from deep within the mantel rises then melts, forming magma. |
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Definition
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Term
| True or False: Volcanoes only form in the Ocean |
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Definition
| False- Volcanos can form on land. |
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Term
| What factors detemrine the force of a volcanic eruption? |
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Definition
| Silica Content & Viscosity |
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Term
| What causes a geyser to erupt? |
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Definition
| pressure builds up in a narrow crack until water and steam erupt from it. |
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Term
| A huge hole left by the collapse of a volcanic moutnain is called a ____. |
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Definition
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Term
| What are 3 stages of Volcanic Activity? |
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Definition
| Active, Dormant & Extinct |
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Term
| A volcan erupts, what force pushes magma out of a volcano onto the surface? |
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Definition
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Term
| Why would anyone want to live near a volcano? |
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Definition
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Term
| Name the 5 landforms formed from magma? |
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Definition
Volcanic Necks
Dike
Sill
Batholith
Dome Mountains |
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Term
| What is Geothermal Activity? |
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Definition
| Magma heats udnerground water. |
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Term
| Give me two examples of Geothermal Acitivity? |
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Definition
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Term
| Geothermal Energy can be used as a source of _____. |
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Definition
| Energy / Electricity / Power |
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