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- 1. Multiple Choice
What is the definition of dormant?sleepingextinctactiveinvisible - 2. Multiple ChoiceWhat are scientists that study volcanoes called?doctorvetvolcanologistvolcano scientist
- 3. Multiple ChoiceWhat is the opening that extends from the magma chamber to the top of the volcano called?magmalavaventcrater
- 4. Multiple ChoiceWhat is Magma when it reaches the surface of Earth?LavaMafic MagmaFelsic MagmaNone of these
- 5. Multiple ChoiceA volcano that has gentle sloping sides and is formed from runny lavaShield volcanoCinder coneCompositeNone of these
- 6. Multiple ChoiceWhen an explosive eruption forms a mixture of hot rock, ash, and gas, this material is called a...?Land slideLavaEruption trailPyroclastic flow
- 7. Multiple ChoiceThis is the name for the chain of volcanos around the edge of the Pacific Plate.Circle of FireRing of LavaRing of FireCircle of Magma
- 8. Multiple ChoiceWhere is Mt. St Helens located?New JerseyNebraskaWashington stateI didn't learn this so I give up
- 9. Multiple ChoiceThis city was destroyed in 79 A.D. by the eruption of Mt. Vesuvius.RomeMunichPompeiiNaples
- 10. Multiple ChoiceWhat is the opening in Earth's crust through which molten rock, gases, and ash erupt?Divergent BoundaryMagmaSubduction BoundaryVolcano
- 11. Multiple ChoiceWhat is molten rock that has formed deep within the Earth?Hot SpotMagmaLavaVolcano
- 12. Multiple ChoiceWhy does magma tend to rise to the surface?It has large amounts of silica.It contains very little silica.It is denser than the surrounding material.It is less dense than the surrounding material.
- 13. Multiple ChoiceThe formation of magma depends on which set of conditions?Pressure, Density, and Water ContentTemperature, Density, and PressureTemperature, Density, and Water ContentTemperature, Pressure, and Water Content
- 14. Multiple ChoiceThe volcanoes on the Hawaiian Islands form due to which of the following?Divergent BoundaryHot SpotSubduction BoundaryTransform Boundary
- 15. Multiple ChoiceWhat is the principal ingredient to all types of magma?IronMagnesiumSilicaWater
- 16. Multiple ChoiceWhat type of lava cools quickly and forms rock with jagged edges?AaMagmaPahoehoePillow Lava
- 17. Multiple ChoiceWhat type of lava cools slowly and forms rock with smooth, ropelike features?AaMagmaPahoehoePillow Lava
- 18. Multiple ChoiceWhat is the resistance of a liquid, such as lava, to flow?ElasticityPyroclasticitySilicaViscosity
- 19. Multiple ChoiceWhat type of volcano is Kilauea, which is located in Hawaii?CalderaCinder ConeComposite VolcanoShield Volcano
- 20. Multiple ChoiceWhat type of volcano is made of lava fragments that have been ejected from a volcanic vent?CalderaCinder ConeComposite VolcanoShield Volcano
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