The Solid Earth - Chapter 5: Composition of the Earth Flashcards

1
Q

The continental crust is made mostly of ____rocks

A

felsic

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2
Q

What is the name of the deep sea-drilling ship that made recovery of ocean floor samples possible

A

Glomar Challenger

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3
Q

____ rocks are thought to make up the mantle and provide the lava for oceanic eruptions

A

Ultramafic

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4
Q

The concept of a molten iron outer core is further supported by the existence of the earth’s ________

A

magnetic field

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5
Q

Iron is ___ times more dense than crustal rocks

A

3

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