Volcano Quiz
  • 1. On page 85, what does the word "eruption" mean?
A) hot melted rock that flows from a volcano
B) A volcanic explosion or a large flow of lava
C) made liquid by heat
D) hot melted rock underneath the earth's surface
  • 2. Which of the following describes the sequence of events before, during and after the volcanic eruption?
A) Magma pushes up through a crack in the earth's crust; lava flows out; the lava cools and hardens into rock
B) Magma pushes up through a crack in the earth's crust; the lava cools and hardens into rock; lava flows out
C) the lava cools and hardens into rock; lava flows out; magma pushes up through a crack in the earth's crust
D) lava flows out; magma pushes up through a crack in the earth's crust; the lava cools and hardens into rock
  • 3. What do you think the author means when he says that Mount St. Helens awakened from a long sleep?
A) The mountain was awake and now that it is erupting it is sleeping
B) The mountain did nothing
C) It seemed like the mountain was sleeping when it was quiet; it seemed like it woke up when it erupted
D) It seemed like the mountain was singing when the mountain erupted
  • 4. What does the word, "molten" mean?
A) hot melted rock underneath the earth's surface
B) made liquid by heat
C) the solid outer layer of earth
D) hot melted rock that flows from a volcano
  • 5. What does Magma mean?
A) hot melted rock underneath the earth's surface
B) the solid outer layer of earth
C) made liquid by heat
D) hot melted rock that flows from a volcano
  • 6. On page 88, what does the word, "crater" mean?
A) a bowl shaped depression
B) the solid outer layer of earth
C) one hundred years
D) made liquid by heat
  • 7. One page 90, what does the word "Norse" mean?
A) havind to do with the ancient Scandinavians
B) a bowl shaped depression
C) moving forward
D) One hundred years
  • 8. Jpw cam scoemtosts te;; wjat lomd pf eri[topm pccirred bu studying cooled lava formations?
A) The smooth, billowy rocks called aa tell scientists that the lava flow was thick and slow-moving; the smooth shark procks called pahoehoe tells them that the lava was thin, hot and fast-moving
B) There's no difference in the rocks
C) The thin-flat rocks called aa tell scientists that the lava flow was tihck and slow-moving; the smooth, sharp rocks called pahoehoe tell them that the lava was thin, hot, and fast-moving
D) The rough, sharp rocks called aa tell scientists that the lava flow was thick and slow-moving; the smooth, billowy lava called pahoehoe tell them that the lava was thin, hot and fast-moving
  • 9. What shapes does the author compare volcanoes to?
A) Triangles and squares
B) warrior's shields and upside-down ice cream cones
C) Warrior headdress and ice cream cones
D) Warriors and ice cream
  • 10. An active volcano is one that can still erupt but doesn't necessarily erupt for many years
A) False
B) True
  • 11. To explain how a plugged-up dome volcano erupts, the author compares it to a bottle of soda with a cork in it.
A) False
B) True
  • 12. Crater lake is so deep because volcanoes orginate above the surface of the earth. When it erupted and blew its top off, the remaining rock fell making the water rise.
A) False
B) True
  • 13. It is important for scientists to study volcanoes so that they can predict when eruptions will happen.
A) True
B) False
  • 14. Scientists can predict exactly when an eruption will happen
A) False
B) True
  • 15. The author wants people to understand that both good and bad things happen as a result of volcanoes
A) True
B) False
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