VOLCANO - LONG TEST
Presentation
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Brandee Lei Hidalgo
Used 3+ times
FREE Resource
4 Slides • 22 Questions
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By Brandee Lei Hidalgo
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For 1-10. Read and analyze each question, and write the letter of the correct answer (Use CAPITAL LETTERS)
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Multiple Choice
What form of energy is generated using hot water steam from deep in the earth?
A. Geothermal
B. Solar power
C. Hydropower
D. Dendrothermal
4
Multiple Choice
What are the openings in the earth's crust called where lava, ash, and hot gases flow or eject during an eruption?
A. Mountain
B. Hills
C. Plateau
D. Volcanoes
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Multiple Choice
This is a region beneath the vent of a volcano where molten rock or magma is deposited or stored before eruption.
A. magma pool
B. lava reservoir
C. volcanic vent
D. magma chamber
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Multiple Choice
This is the lower outer part of the volcano
A. Lava flow
B. Summit
C. Crater
D. Base
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Multiple Choice
The main opening or outlet on the surface of a volcano that emits lava, gases, ash or other volcanic materials.
A. fissure
B. crater
C. caldera
D. vent
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Multiple Choice
What is Crater?
A. the mouth of the volcano which is a funnel-shaped or bowl-
shaped hollow at the top of the vent from where magma, ash and gas
comes out.
B. A steep mountain formed by tectonic plates.
C. A flat area of land with no elevation.
D. A large body of water surrounded by land.
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Multiple Choice
What is the spread of lava as it pours out of a vent?
A. magma chamber
B. pipe
C. lava flow
D. crater
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Multiple Choice
A dead volcano is called what?
A. active
B. dormant
C. extinct
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Multiple Choice
What is the definition of a dormant volcano?
A. the volcano is active
B. the volcano is dead
C. will never erupt again
D. could erupt again
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Multiple Choice
Taal Volcano in Batangas exhibits phreatic or hydrothermal eruption. Which of the following statements describes a phreatic eruption?
A. It is an eruption due to the heating of water by hot rocks.
B. It is an excessively explosive type of eruption of gas and pyroclastic.
C. It is a periodic weak violent eruption characterized by fountain of lava.
D. It is characterized by tall eruption columns that reach up to 20 km high with pyroclastic flow and ash fall tephra.
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For 11-20. Complete each sentence by writing the correct answer in the blank provided. Make sure your answers are spelled correctly.
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Fill in the Blanks
Extremely powerful explosive eruptions that produce tall ash columns reaching the stratosphere
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Fill in the Blanks
Mild explosive eruptions caused by bursting gas bubbles that eject glowing cinders
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Fill in the Blanks
When groundwater interacts with hot rocks or magma and creates steam-driven blasts, eruptions occur.
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Fill in the Blanks
An eruption caused by the direct interaction of magma and water, producing fine ash
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Fill in the Blanks
Magma that is thin, runny, and low in silica content (fluid-like lava flow)
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Fill in the Blanks
A tall, needle-like structure formed from highly viscous rhyolitic magma (forms columnar plug)
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Fill in the Blanks
A steep, rounded mound formed when thick rhyolitic lava piles up near the vent
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Fill in the Blanks
Wide volcanoes with very large bases and gentle slopes are known as
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Fill in the Blanks
Alternating layers of lava and ash create the tall and steep profile of a
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Fill in the Blanks
The volcano type that erupts explosively and produces pyroclastic materials that pile up into a steep cone is called a
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For 21-30. Give what is being asked.
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Open Ended
21-25. Give at least 5 signs of impending volcanic eruption.
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Open Ended
26-30. Give at least 5 things to do if volcanoes are showing signs of eruption.
By Brandee Lei Hidalgo
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