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| 1 | |
A raised part of the sea floor, which can become large enough to be considered an underwater mountain range, is called an |
| | A) | an abyssal plain |
| | B) | a continental shelf |
| | C) | a continental slope |
| | D) | an ocean ridge |
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| 2 | |
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On this map of Pangaea, which letter represents the region that scientists believe eventually became North America? |
| | A) | A |
| | B) | B |
| | C) | C |
| | D) | D |
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| 3 | |
A large flat area on the sea floor is called |
| | A) | an abyssal plain |
| | B) | a continental shelf |
| | C) | a continental slope |
| | D) | an ocean ridge |
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| 4 | |
What do scientists call an opening in the oceanic crust where molten materials can escape? |
| | A) | A continental drift |
| | B) | An abyss |
| | C) | A rift |
| | D) | A vent |
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| 5 | |
Which of the following is NOT evidence to support the theory of continental drift? |
| | A) | Evidence of climate change |
| | B) | Evidence of weathering |
| | C) | Fossil evidence |
| | D) | Evidence from rocks |
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| 6 | |
Magma from deep inside Earth is forced upward and is moved aside when it reaches the more rigid upper mantle. The plates of the lithosphere move with it and are forced apart. This is called |
| | A) | continental drifting |
| | B) | magma motion |
| | C) | Wegener's theory of Pangaea |
| | D) | sea floor spreading |
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| 7 | |
Which of the following is NOT a method scientists use to study the sea floor? |
| | A) | Glomar challenging |
| | B) | Core sampling |
| | C) | Sonar |
| | D) | Seismic waves |
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| 8 | |
Using a magnetometer, scientists have determined that _________ have occurred many times in the past. |
| | A) | magnetic drifts |
| | B) | magnetic reversals |
| | C) | continental reversals |
| | D) | seismic reversals |
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| 9 | |
A _______ under the ocean is just like a hot spring on land. |
| | A) | seismic vent |
| | B) | hydrothermal vent |
| | C) | magnetic reversal |
| | D) | seismic reversal |
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| 10 | |
While researching information about Canada's contributions to science, you come across the ROPOS. What is it? |
| | A) | A large ship that has oil drilling capabilities |
| | B) | An oil rig scientists use to drill into the ocean floor |
| | C) | A remote-control vehicle scientists use to explore the deep sea |
| | D) | One species of giant tube worms that lives in areas near hydrothermal vents |
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