Vocab Crossword
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
 
 
Down: 1) cycle of heating, rising, cooling, and sinking2) one large landmass hypothesized to have broken apart about 200 million years ago into continents3) boundary between two plates that are moving apart5) rigid layer of Earths surface made up of the crust and a part of the upper mantle6) largest layer of Earths surface composed mostly of silicon, oxygen, magnesium, and iron7) where rocks on opposite sides of a fault move in opposite directions or in the same direction at different rates12) theory that states that Earth's crust and upper mantle are broken up into sections which move around on a special layer of the mantle Across: 4) place where two plates move together8) plate boundary that occurs when two plates slide past one another9) sensing device that detects magnetic fields helping to confirm seafloor spreading10) area where an oceanic plates goes down into the mantle11) plasticlike layer of Earth's surface below the lithosphere13) sections of Earths crust and upper mantle14) hypothesis that the continents have moved slowly to their current locations15) outermost layer of Earths surface
 

 

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