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Vocabulary on Crust, Mantle and the Core

 
Chapter One (pages 6-13)

 

***Assignment-Define the first 11 words on index cards****

 

pg. 10

1) Crust

 

 

pg. 11 2) Mantle  

 

pg. 11 3) Lithosphere  

 

pg. 11 4) Asthenosphere  

 

  5) Lower Mantle  

Below the Asthenosphere - It is completely solid

 

pg. 12 6)  Inner Core  

 

pg. 12 7)  Outer Core  

 

pg. 16 8)  Convection Currents  

 

  9) Mohorovicic Discontinuity  

The very thin layer separating the Mantle from the Crust

 

  10) Gutenberg Discontinuity  

The very thin layer separating the Mantle from the Core

 

  11) Plasticity  

The ability to bend and flow - the Asthenosphere has this property even though it is said to be solid

 

  12)What gives Earth its magnetic property?  

 

  13) What causes convection currents and how do they move Earth's plates?