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1.Which of the following mainly affect the explosiveness of a volcano? *
A. amount of magma
B. color of magma
C. temperature of magma
D. silica content of magma
2.Which of the following describes the occurrence inside the volcano? Heat causes rocks ___________________. *
A. to form lava, goes up and develop gas bubbles.
B. to form magma, goes up and develop gas bubbles.
C. to melt, form magma, goes up of the chamber, and develops gas bubbles as it rises.
D. to melt, form lava, goes up of the chamber, and develops gas bubbles as it rises.
3.How will a volcano with high amount of dissolved gas and high silica content in the magma erupt? *
A. extremely explosive
B. more gentle with flowing lava
C. unpredictable, with any kind of eruption
D. sometimes explosive, sometimes gentle
4.Which of the following clearly distinguishes active from inactive volcano? *
A. Active volcano is young while inactive is old.
B. Active is a volcano with many records of eruption since the beginning of time while inactive had zero record.
C. Active volcano is a volcano that has had at least one eruption during the last 10 000 years while inactive has no eruption since the beginning of recording.
D. Active volcano is a volcano that erupts regularly while inactive eruptive is the one that did not erupt for a long time but supposed to erupt again.
5.What type of volcano is formed by the pile up of highly viscous lava that oozes out from the volcano? *
A. cinder cones
B. composite volcanoes
C. shield volcanoes
D. strato volcanoes
6.How is energy from volcanoes tapped in power generation? *
A. thermal energy from the inside of earth is utilized as raw material in the generation of electrical energy
B. thermal energy from the inside of earth is utilized to operate machineries.
C. thermal energy from the materials emitted by the volcano is used in the generation of power.
D. thermal energy from the volcano is used to heat water that will produce steam.
7.Being active of a volcano is also determined through analyses of the materials in its surrounding. Which of the following distinguishes active volcano from inactive volcano? Based on the analyses of the materials, active volcanoes are those that erupted _______ while inactive are those that not erupted _______. *
A. 3 000 years ago / 5 000 years ago
B. 5 000 years ago / 5 000 years ago
C. 5 000 years ago / 10 000 years ago
D. 10 000 years ago / 10 000 years ago
8.What volcano is to form from highly viscous lava with low amount of gas ejected from a fissure in the surface of Earth? *
A. cinder
B. composite
C. shield
D. stratovolcano
9.Which volcano is most likely to form from the alternate solidification of lava and cinders? *
A. shield volcano
B. cinder volcano
C. composite volcano
D. active volcano
10.Which of the following is a volcanic eruption caused by the interaction of water into heated magma? *
A. phreatomagmatic
B. Plinian
C. strombolian
D. vulcanian
1.Which of the following mainly affect the explosiveness of a volcano? *
A. amount of magma
B. color of magma
C. temperature of magma
D. silica content of magma
2.Which of the following describes the occurrence inside the volcano? Heat causes rocks ___________________. *
A. to form lava, goes up and develop gas bubbles.
B. to form magma, goes up and develop gas bubbles.
C. to melt, form magma, goes up of the chamber, and develops gas bubbles as it rises.
D. to melt, form lava, goes up of the chamber, and develops gas bubbles as it rises.
3.How will a volcano with high amount of dissolved gas and high silica content in the magma erupt? *
A. extremely explosive
B. more gentle with flowing lava
C. unpredictable, with any kind of eruption
D. sometimes explosive, sometimes gentle
4.Which of the following clearly distinguishes active from inactive volcano? *
A. Active volcano is young while inactive is old.
B. Active is a volcano with many records of eruption since the beginning of time while inactive had zero record.
C. Active volcano is a volcano that has had at least one eruption during the last 10 000 years while inactive has no eruption since the beginning of recording.
D. Active volcano is a volcano that erupts regularly while inactive eruptive is the one that did not erupt for a long time but supposed to erupt again.
5.What type of volcano is formed by the pile up of highly viscous lava that oozes out from the volcano? *
A. cinder cones
B. composite volcanoes
C. shield volcanoes
D. strato volcanoes
6.How is energy from volcanoes tapped in power generation? *
A. thermal energy from the inside of earth is utilized as raw material in the generation of electrical energy
B. thermal energy from the inside of earth is utilized to operate machineries.
C. thermal energy from the materials emitted by the volcano is used in the generation of power.
D. thermal energy from the volcano is used to heat water that will produce steam.
7.Being active of a volcano is also determined through analyses of the materials in its surrounding. Which of the following distinguishes active volcano from inactive volcano? Based on the analyses of the materials, active volcanoes are those that erupted _______ while inactive are those that not erupted _______. *
A. 3 000 years ago / 5 000 years ago
B. 5 000 years ago / 5 000 years ago
C. 5 000 years ago / 10 000 years ago
D. 10 000 years ago / 10 000 years ago
8.What volcano is to form from highly viscous lava with low amount of gas ejected from a fissure in the surface of Earth? *
A. cinder
B. composite
C. shield
D. stratovolcano
9.Which volcano is most likely to form from the alternate solidification of lava and cinders? *
A. shield volcano
B. cinder volcano
C. composite volcano
D. active volcano
10.Which of the following is a volcanic eruption caused by the interaction of water into heated magma? *
A. phreatomagmatic
B. Plinian
C. strombolian
D. vulcanian
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Answers & Comments
1.Which of the following mainly affect the explosiveness of a volcano? *
A. amount of magma
B. color of magma
C. temperature of magma
D. silica content of magma
2.Which of the following describes the occurrence inside the volcano? Heat causes rocks ___________________. *
A. to form lava, goes up and develop gas bubbles.
B. to form magma, goes up and develop gas bubbles.
C. to melt, form magma, goes up of the chamber, and develops gas bubbles as it rises.
D. to melt, form lava, goes up of the chamber, and develops gas bubbles as it rises.
3.How will a volcano with high amount of dissolved gas and high silica content in the magma erupt? *
A. extremely explosive
B. more gentle with flowing lava
C. unpredictable, with any kind of eruption
D. sometimes explosive, sometimes gentle
4.Which of the following clearly distinguishes active from inactive volcano? *
A. Active volcano is young while inactive is old.
B. Active is a volcano with many records of eruption since the beginning of time while inactive had zero record.
C. Active volcano is a volcano that has had at least one eruption during the last 10 000 years while inactive has no eruption since the beginning of recording.
D. Active volcano is a volcano that erupts regularly while inactive eruptive is the one that did not erupt for a long time but supposed to erupt again.
5.What type of volcano is formed by the pile up of highly viscous lava that oozes out from the volcano? *
A. cinder cones
B. composite volcanoes
C. shield volcanoes
D. strato volcanoes
6.How is energy from volcanoes tapped in power generation? *
A. thermal energy from the inside of earth is utilized as raw material in the generation of electrical energy
B. thermal energy from the inside of earth is utilized to operate machineries.
C. thermal energy from the materials emitted by the volcano is used in the generation of power.
D. thermal energy from the volcano is used to heat water that will produce steam.
7.Being active of a volcano is also determined through analyses of the materials in its surrounding. Which of the following distinguishes active volcano from inactive volcano? Based on the analyses of the materials, active volcanoes are those that erupted _______ while inactive are those that not erupted _______. *
A. 3 000 years ago / 5 000 years ago
B. 5 000 years ago / 5 000 years ago
C. 5 000 years ago / 10 000 years ago
D. 10 000 years ago / 10 000 years ago
8.What volcano is to form from highly viscous lava with low amount of gas ejected from a fissure in the surface of Earth? *
A. cinder
B. composite
C. shield
D. stratovolcano
9.Which volcano is most likely to form from the alternate solidification of lava and cinders? *
A. shield volcano
B. cinder volcano
C. composite volcano
D. active volcano
10.Which of the following is a volcanic eruption caused by the interaction of water into heated magma? *
A. phreatomagmatic
B. Plinian
C. strombolian
D. vulcanian
Answer:
1.D
2.C
3.B
4.D
5.A
6.B
7.B-not sure
8.D
9.C
10.A
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