The Composition of The Earth Flashcards
Compound
A substance made of 2 or more elements
What are the layers of the Earth in their correct order from the surface?
Crust
Mantle
Core
What are the first three layers of the Earth in physical properties?
Lithosphere
Asthenosphere
Mesosphere
The lithosphere can also be known as multiple ________ ______ that float on top of the asthenosphere.
Tectonic plates
What am I?
I am part of the lithosphere, but I move around on top of the asthenosphere. I am a ________ _____.
Tectonic plate
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 _____ ____.
Outer core
Inner core
Process that happens when Earth’s magnetic poles change place
Magnetic reversal
Rock on the ocean floor provided the final proof of sea-floor spreading with a record of ________ ________.
Magnetic reversal