Marine Science Q1 Exam Review

The scientific method can best be described as:

• undertaking experiments in laboratories.

• using induction and deduction.

• following a set of procedures to learn about our world.

• observing animals in their natural habitat.

A control can be best defined as:

• a variable that is kept constant in an experiment.

• an experiment where the final results are known ahead of time.

• a hypothesis that regulates the results of an experiment.

• a variable that changes during the course of an experiment.

How much of the Earth’s surface is covered by the world oceans?

• 53%

• 71%

• 78%

• 80%

Which of the following is not one of the world’s major ocean basins?

• Arctic Ocean

• Indian Ocean

• Antarctic Ocean

• Pacific Ocean

Trenches are formed in areas where:

• one plate is lifted by another.

• one plate moves alongside another in a transform motion.

• sea-floor spreading takes place.

• one plate sinks beneath another.

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The process by which a lithospheric plate descends into the mantle is called:

• continental drift.

• induction.

• subduction.

• faulting.

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The friction zone along the shear boundary such as the one in California between two lithospheric plates is called a:

• fault.

• rift.

• trench.

• mid-ocean ridge.

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What name have scientists given to the vast single world ocean that was present about 200 million years ago?

• Pangaea

• Tethys

• Panthalassa

• Gondwana

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The shallow part of the continental margin that is closer to land and is a critical marine habitat because light can reach all the way to the bottom is known as:

• continental slope.

• continental rise.

• edge of the abyssal plain.

• continental shelf.

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Why is plate tectonics such a widely accepted theory?

• Because it is a theory that has been around since 1912 or earlier and once a theory has lasted so many years it is just widely accepted.

• Because it is a theory that has multiple scientific investigations with supporting evidence that all interconnect to conclude that the continents are moving on larger plates on our planet.

• Because it is a theory that has been proven true because of all the volcanoes and earthquakes the world has.

• Because it is a theory that supports why there is a Mid-Ocean ridge and why scientists want to investigate the depths of the ocean.

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