Chapter 4 Vocab Crossword
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
 
 
Down: 1) whenever earths magnetic field reverse, newly forming iron minerals will record it2) german meteorologist that thoughtthat the fit of the earth wasn't just a coincidence3) two plates slide past each other4) plasticlike layer of earth on which the lithosphere plates float and move around on5) in the atlantic, the pacific, and in other oceans around the world, a system of ridges7) one plate moves over one and one sinks9) currents in earths mantle that transfer heat in earths interior and is driving force for plate tectonics12) where two plates interact Across: 6) theory that all continents were once connected in one big landmass that broke apart and slowly drifted to their current position.8) a theory in geology: the lithosphere of the earth is divided into a small number of plates which float on and travel independently over the mantle and much of the earth's seismic activity occurs at the boundaries of these plates large section of earths ocean10) large, ancient landmass that was composed of all the continents joined together11) Two plates move together13) the boundary between two plates that are moving apart14) theory that new seafloor is formed when magma is forced upward toward the surface at mid-ocean ridge15) large section of earths oceananic or continental and rigid upper mantle that moves around on the asthenosphere16) rigid layer of earth about 100km thick made of the crust and a part of the upper mantle
 

 

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