The Composition of The Earth Flashcards

0
Q

Compound

A

A substance made of 2 or more elements

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1
Q

What are the layers of the Earth in their correct order from the surface?

A

Crust
Mantle
Core

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2
Q

What are the first three layers of the Earth in physical properties?

A

Lithosphere
Asthenosphere
Mesosphere

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3
Q

The lithosphere can also be known as multiple ________ ______ that float on top of the asthenosphere.

A

Tectonic plates

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4
Q

What am I?

I am part of the lithosphere, but I move around on top of the asthenosphere. I am a ________ _____.

A

Tectonic plate

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5
Q

Where are we?
We journeyed to the center of the Earth, and we got there we discovered that the core has two parts! One is liquid and is called the _____ ____. The other part is dense and solid and is called the _____ ____.

A

Outer core

Inner core

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6
Q

Process that happens when Earth’s magnetic poles change place

A

Magnetic reversal

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7
Q

Rock on the ocean floor provided the final proof of sea-floor spreading with a record of ________ ________.

A

Magnetic reversal

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